APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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