Tham khảo Cừu_Romney

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    • Price, Daniel A System of Sheep-Grazing and Management as Practised in Romney Marsh London, Richard Phillips, 1809
    • Stewart, Henry. The Domestic Sheep Its Culture and General Management. Chicago, American Sheep Breeder Press 1900 p. 76
    • McKenzie Anna. A Century of the NZ Romney, New Zealand Sheep Farmer 2000: 7: 14-19
    • "Sheep (June 2000 estimate)". Farming Facts and Figures. Meat & Wool New Zealand. Truy cập 2009-04-29.
    • Fell, Henry. Intensive Sheep Management. (Farming Press Limited, Ipswich 1979 p 77)
    • Janette Busch (ngày 26 tháng 9 năm 2007). "Romneys prove to be robust". Farmnews. Truy cập 2009-04-29.
    • Davis GH et al. A putative autosomal gene increasing ovulation rate in Romney sheep Animal Reprod Sci 2006; 92:65-73
    • Coffey, Walter C. Productive Sheep Husbandry Philadelphia, J.B. Lippincott Co 1918 p. 165
    • Simmons P, Ekarius C Storey’s Guide to Raising Sheep. North Adams MA, Storey Books, 2001 p. 68
    • Centenary Handbook of the Romney Sheep Breeders’ Society (1995). Approved at the Annual General Meeting of Members of the Romney Sheep Breeders’ Society, Great Britain 1991
    • Preparation of Australian Wool Clips, Code of Practice 2010-2012, Australian Wool Exchange (AWEX), 2010
    • Budiansky, Stephen (1999). The Covenant of the Wild: Why animals chose domestication. Yale University Press. ISBN 0-300-07993-1. 
    • Ensminger, Dr. M.E.; Dr. R.O. Parker (1986). Sheep and Goat Science, Fifth Edition. Danville, Illinois: The Interstate Printers and Publishers Inc. ISBN 0-8134-2464-X. 
    • Pugh, David G. (2001). Sheep & Goat Medicine. Elsevier Health Sciences. ISBN 0-7216-9052-1. 
    • Simmons, Paula; Carol Ekarius (2001). Storey's Guide to Raising Sheep. North Adams, MA: Storey Publishing LLC. ISBN 978-1-58017-262-2. 
    • Smith M.S., Barbara; Mark Aseltine PhD; Gerald Kennedy DVM (1997). Beginning Shepherd's Manual, Second Edition. Ames, Iowa: Iowa State University Press. ISBN 0-8138-2799-X. 
    • Weaver, Sue (2005). Sheep: small-scale sheep keeping for pleasure and profit. 3 Burroughs Irvine, CA 92618: Hobby Farm Press, an imprint of BowTie Press, a division of BowTie Inc. ISBN 1-931993-49-1. 
    • Wooster, Chuck (2005). Living with Sheep: Everything You Need to Know to Raise Your Own Flock. Geoff Hansen (Photography). Guilford, Connecticut: The Lyons Press. ISBN 1-59228-531-7.