Shumway, w. (1942). Introduction to vetebrate embryology. John wiley.
Chicago Style aipamenaShumway, waldo. Introduction to Vetebrate Embryology. New york: John wiley, 1942.
MLA aipamenaShumway, waldo. Introduction to Vetebrate Embryology. John wiley, 1942.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.