Lua APA (7ú heag.)
Langness, L. L. (1974). The study of culture. Chandler & Sharp.
Lua i Stíl Chicago (17ú heag.)
Langness, L. L. The Study of Culture. San Francisco: Chandler & Sharp, 1974.
Lua MLA (9ú heag.)
Langness, L. L. The Study of Culture. Chandler & Sharp, 1974.
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