Friedl, J. (1981). The human portrait: Introduction to cultural anthropology ([Rev. ed.].). Prentice-Hall.
Chicago Style aipamenaFriedl, John. The Human Portrait: Introduction to Cultural Anthropology. [Rev. ed.]. Englewood Cliffs, N.J: Prentice-Hall, 1981.
MLA aipamenaFriedl, John. The Human Portrait: Introduction to Cultural Anthropology. [Rev. ed.]. Prentice-Hall, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.