Friedl, J. (1981). The human portrait: Introduction to cultural anthropology ([Rev. ed.].). Prentice-Hall.
Čikaški stil citiranja (17. izdanje)Friedl, John. The Human Portrait: Introduction to Cultural Anthropology. [Rev. ed.]. Englewood Cliffs, N.J: Prentice-Hall, 1981.
MLA način citiranja (9. izdanje)Friedl, John. The Human Portrait: Introduction to Cultural Anthropology. [Rev. ed.]. Prentice-Hall, 1981.
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