Dyfyniad APA

Landis, J. R. (1974). Sociology: Concepts and characteristics (Second edition.). Wadsworth Publishing Company, Inc.

Dyfyniad Arddull Chicago

Landis, Judson R. Sociology: Concepts and Characteristics. Second edition. Belmont, California: Wadsworth Publishing Company, Inc, 1974.

Dyfyniad MLA

Landis, Judson R. Sociology: Concepts and Characteristics. Second edition. Wadsworth Publishing Company, Inc, 1974.

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