APA citiranje

Orben, R. (1979). 2500 jokes to start 'em laughing. New York: Doubleday.

Trích dẫn kiểu Chicago

Orben, Robert. 2500 Jokes to Start 'em Laughing. New York: Doubleday, 1979.

MLA citiranje

Orben, Robert. 2500 Jokes to Start 'em Laughing. New York: Doubleday, 1979.

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