Tham khảo Quả_phức

  1. Schlegel (ngày 13 tháng 5 năm 2003). Encyclopedic Dictionary of Plant Breeding and Related Subjects. tr. 282. ISBN 9781560229506
  2. Hickey, M.; King, C. (2001). The Cambridge Illustrated Glossary of Botanical Terms. Cambridge University Press. 
  3. Beentje, H.; Williamson, J. (2010). The Kew Plant Glossary: an Illustrated Dictionary of Plant Terms. Royal Botanic Gardens, Kew: Kew Publishing. 
  4. Spjut, R.; Thieret, J. (1989). “Confusion between multiple and aggregate fruits”. The Botanical Review 55 (1): 53–72. doi:10.1007/bf02868781