Heller, R. (1980). The business of winning. London: Sidgwick and Jackson.
Chicago Style CitationHeller, Robert. The Business of Winning. London: Sidgwick and Jackson, 1980.
Cita MLAHeller, Robert. The Business of Winning. London: Sidgwick and Jackson, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.