APA (7th ed.) Zitazioa
ebrary, Inc, Botha, R. P., & Knight, C. (2009). The prehistory of language. Oxford University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Rudolf P. Botha, eta Chris Knight. The Prehistory of Language. Oxford ; New York: Oxford University Press, 2009.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. The Prehistory of Language. Oxford University Press, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.