Lua APA (7ú heag.)
Shropshire, K. L., & Davis, T. (2008). The business of sports agents (2nd ed.). University of Pennsylvania Press.
Lua i Stíl Chicago (17ú heag.)
Shropshire, Kenneth L., agus Timothy Davis. The Business of Sports Agents. 2nd ed. Philadelphia: University of Pennsylvania Press, 2008.
Lua MLA (9ú heag.)
Shropshire, Kenneth L., agus Timothy Davis. The Business of Sports Agents. 2nd ed. University of Pennsylvania Press, 2008.
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