Shepard, J. M. (1974). Basic sociology: Structure, interaction, and change. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Shepard, Jon M. Basic Sociology: Structure, Interaction, and Change. New York: Harper & Row, 1974.
Lua MLA (9ú heag.)Shepard, Jon M. Basic Sociology: Structure, Interaction, and Change. Harper & Row, 1974.
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