Jensen, C. R. (1995). Outdoor recreation in America (5th ed.). Human Kinetics.
Chicago Style (17. basım) AtıfJensen, Clayne R. Outdoor Recreation in America. 5th ed. Champaign, Ill: Human Kinetics, 1995.
MLA (9th ed.) AtıfJensen, Clayne R. Outdoor Recreation in America. 5th ed. Human Kinetics, 1995.
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