Quirk, J. P., & Fort, R. D. (1997). Pay dirt: The business of professional team sports (Updated pbk. ed.). Princeton University Press.
Cita Chicago (17th ed.)Quirk, James P., i Rodney D. Fort. Pay Dirt: The Business of Professional Team Sports. Updated pbk. ed. Princeton, N.J.: Princeton University Press, 1997.
Cita MLA (9th ed.)Quirk, James P., i Rodney D. Fort. Pay Dirt: The Business of Professional Team Sports. Updated pbk. ed. Princeton University Press, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.