JohnPrice. (1971). The origin and evolution (4th ed.). English University Press.
Chicago Style aipamenaJohnPrice. The Origin and Evolution. 4th ed. English University Press, 1971.
MLA aipamenaJohnPrice. The Origin and Evolution. 4th ed. English University Press, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.