Day, D. (2012). Professionals, amateurs and performance: Sports coaching in England, 1789-1914. Peter Lang.
Tohutoru Kātū Chicago (17th ed.)Day, David. Professionals, Amateurs and Performance: Sports Coaching in England, 1789-1914. New York: Peter Lang, 2012.
Tohutoro MLA (9th ed.)Day, David. Professionals, Amateurs and Performance: Sports Coaching in England, 1789-1914. Peter Lang, 2012.
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