Downs, J. F. (1973). Human nature: An introduction to cultural anthropology. Glencoe Press.
Lua i Stíl Chicago (17ú heag.)Downs, James F. Human Nature: An Introduction to Cultural Anthropology. Beverly Hills, California: Glencoe Press, 1973.
Lua MLA (9ú heag.)Downs, James F. Human Nature: An Introduction to Cultural Anthropology. Glencoe Press, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.