Duvall, J. G., Ember, M., & Ember, C. R. (1999). Cultural anthropology, ninth edition [by]Carol R. Ember, Melvin Ember: Study guide. Prentice-Hall.
Chicago-viite (17. p.)Duvall, James G., Melvin Ember, ja Carol R. Ember. Cultural Anthropology, Ninth Edition [by]Carol R. Ember, Melvin Ember: Study Guide. Upper Saddle River, N.J: Prentice-Hall, 1999.
MLA-viite (9. p.)Duvall, James G., et al. Cultural Anthropology, Ninth Edition [by]Carol R. Ember, Melvin Ember: Study Guide. Prentice-Hall, 1999.
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