Wallace, W. L. (1969). Sociological theory: An introduction. Aldine Pub. Co.
Lua i Stíl Chicago (17ú heag.)Wallace, Walter L. Sociological Theory: An Introduction. Chicago: Aldine Pub. Co, 1969.
Lua MLA (8ú heag.)Wallace, Walter L. Sociological Theory: An Introduction. Aldine Pub. Co, 1969.
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