APA-referens (7:e uppl.)

Patten, B. M. (1971). Early embryology of the chick (5th ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Patten, Bradley M. Early Embryology of the Chick. 5th ed. New York: McGraw-Hill, 1971.

MLA-referens (9:e uppl.)

Patten, Bradley M. Early Embryology of the Chick. 5th ed. McGraw-Hill, 1971.