APA (7th ed.) Zitazioa
Spooner, B. (1972). Population growth: Anthropological implications. MIT Press.
Chicago Style (17th ed.) Zitazioa
Spooner, Brian. Population Growth: Anthropological Implications. Cambridge, Massachusetts ; London, England: MIT Press, 1972.
MLA (9th ed.) Zitazioa
Spooner, Brian. Population Growth: Anthropological Implications. MIT Press, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.