APA citiranje

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.

MLA citiranje

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

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