Cita APA

Heller, R. (1980). The business of winning. London: Sidgwick and Jackson.

Chicago Style Citation

Heller, Robert. The Business of Winning. London: Sidgwick and Jackson, 1980.

Cita MLA

Heller, Robert. The Business of Winning. London: Sidgwick and Jackson, 1980.

Atenció: Aquestes cites poden no estar 100% correctes.