Lua APA (7ú heag.)

Leonard, W. M. (1998). A sociological perspective of sport (5th ed.). Allyn and Bacon.

Lua i Stíl Chicago (17ú heag.)

Leonard, Wilbert Marcellus. A Sociological Perspective of Sport. 5th ed. Boston: Allyn and Bacon, 1998.

Lua MLA (9ú heag.)

Leonard, Wilbert Marcellus. A Sociological Perspective of Sport. 5th ed. Allyn and Bacon, 1998.

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