Haviland, W. A. (2008). Anthropology: The human challenge (12th ed.). Wadsworth/Cengage Learning.
Chicago Style aipamenaHaviland, William A. Anthropology: The Human Challenge. 12th ed. Australia: Wadsworth/Cengage Learning, 2008.
MLA aipamenaHaviland, William A. Anthropology: The Human Challenge. 12th ed. Wadsworth/Cengage Learning, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.