Sumner, W. G. (1960). Folkways: A study of the sociological importance of usages, manners, customs mores, and morals (1. Aufl.). The New American Library.
Lua i Stíl Chicago (17ú heag.)Sumner, William Graham. Folkways: A Study of the Sociological Importance of Usages, Manners, Customs Mores, and Morals. 1. Aufl. New York: The New American Library, 1960.
Lua MLA (8ú heag.)Sumner, William Graham. Folkways: A Study of the Sociological Importance of Usages, Manners, Customs Mores, and Morals. 1. Aufl. The New American Library, 1960.
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