APA-referens (7:e uppl.)

Friedl, J. (1981). The human portrait: Introduction to cultural anthropology ([Rev. ed.].). Prentice-Hall.

Chicago-referens (17:e uppl.)

Friedl, John. The Human Portrait: Introduction to Cultural Anthropology. [Rev. ed.]. Englewood Cliffs, N.J: Prentice-Hall, 1981.

MLA-referens (9:e uppl.)

Friedl, John. The Human Portrait: Introduction to Cultural Anthropology. [Rev. ed.]. Prentice-Hall, 1981.