Jensen, C. R., & Guthrie, S. (2006). Outdoor recreation in America (Sixth edition.). Human Kinetics. https://doi.org/10.5040/9781492597438
Chicago Style (17. basım) AtıfJensen, Clayne R., ve Steven Guthrie. Outdoor Recreation in America. Sixth edition. Champaign, IL: Human Kinetics, 2006. https://doi.org/10.5040/9781492597438.
MLA (9th ed.) AtıfJensen, Clayne R., ve Steven Guthrie. Outdoor Recreation in America. Sixth edition. Human Kinetics, 2006. https://doi.org/10.5040/9781492597438.
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