APA (7th ed.) Zitazioa

Valenteĭ, D. I. (1980). An outline theory of population. Progress Publishers.

Chicago Style (17th ed.) Zitazioa

Valenteĭ, D. I. An Outline Theory of Population. Moscow: Progress Publishers, 1980.

MLA (9th ed.) Zitazioa

Valenteĭ, D. I. An Outline Theory of Population. Progress Publishers, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.