APA (7th ed.) Zitazioa
(1967). Sexuality. Reproduction. Alternation of generations.
Chicago Style (17th ed.) Zitazioa
Sexuality. Reproduction. Alternation of Generations. 1967.
MLA (9th ed.) Zitazioa
Sexuality. Reproduction. Alternation of Generations. 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.