Spradley, J. P. (1975). Anthropology: The cultural perspective (2nd ed.). Waveland Press.
Lua i Stíl Chicago (17ú heag.)Spradley, James P. Anthropology: The Cultural Perspective. 2nd ed. Illinois: Waveland Press, 1975.
Lua MLA (9ú heag.)Spradley, James P. Anthropology: The Cultural Perspective. 2nd ed. Waveland Press, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.