Ewert, A. W., & Sibthorp, R. J. (2014). Outdoor adventure education: Foundations, theory, and research. Human Kinetics. https://doi.org/10.5040/9781492595663
Citace podle Chicago (17th ed.)Ewert, Alan W., a R. James Sibthorp. Outdoor Adventure Education: Foundations, Theory, and Research. Champaign, IL: Human Kinetics, 2014. https://doi.org/10.5040/9781492595663.
Citace podle MLA (9th ed.)Ewert, Alan W., a R. James Sibthorp. Outdoor Adventure Education: Foundations, Theory, and Research. Human Kinetics, 2014. https://doi.org/10.5040/9781492595663.
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