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APA Recognized Breeds and Varieties: As of ngày 1 tháng 1 năm 2012. American Poultry Association. Archived ngày 4 tháng 11 năm 2017.
Liste des races et variétés homologuée dans les pays EE (28.04.2013). Entente Européenne d’Aviculture et de Cuniculture. Archived ngày 16 tháng 6 năm 2013.
Breed data sheet: Svensk Blå Anka/Sweden. Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Truy cập August 2014.
Swedish Duck. Pittsboro, North Carolina: The Livestock Conservancy. Truy cập June 2018.
Transboundary breed: Swedish Blue. Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Truy cập August 2014.
Breed data sheet: Swedish Blue/Ireland. Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Truy cập August 2014.
Holderread, Dave (2001). Storey's Guide to Raising Ducks. North Adams, MA, USA: Storey Publishing. pp. 64, 65.
Standard Revision Committee; Malone, Pat; Donnelly, Gerald; Leonard, Walt (2001). American Standard of Perfection 2001. USA: American Poultry Association. pp. 312, 313.
Victoria Roberts (2008). British poultry standards: complete specifications and judging points of all standardized breeds and varieties of poultry as compiled by the specialist breed clubs and recognised by the Poultry Club of Great Britain. Oxford: Blackwell. ISBN 9781405156424.
