APA (7th ed.) Zitazioa
Solomon, E. P. (1996). Biology (4th .ed.). Harcourt Brace.
Chicago Style (17th ed.) Zitazioa
Solomon, Eldra Pearl. Biology. 4th .ed. Philadelphia: Harcourt Brace, 1996.
MLA (9th ed.) Zitazioa
Solomon, Eldra Pearl. Biology. 4th .ed. Harcourt Brace, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.