Gaya APA

Kremer, J, M, D., Cathy, I, M, A, I, W, G, I, C. (2012). Key Concepts in Sport Psychology . London: London: Sage, 2012.

Gaya MLA

Kremer, John, M, D., Cathy, I., Moran,, Aidan, II., Walker,, Graham, III., Craig,. "Key Concepts in Sport Psychology". London: London: Sage, 2012, 2012. .