Dyfyniad APA

Beckmann, J., & Elbe, A. (2015). Sport psychological interventions in competitive sports. Cambridge Scholars Publishing.

Dyfyniad Arddull Chicago

Beckmann, Jürgen, and Anne-Marie Elbe. Sport Psychological Interventions in Competitive Sports. Newcastle upon Tyne, England: Cambridge Scholars Publishing, 2015.

Dyfyniad MLA

Beckmann, Jürgen, and Anne-Marie Elbe. Sport Psychological Interventions in Competitive Sports. Cambridge Scholars Publishing, 2015.

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