APA citiranje

Sawyer, W. W. (1943). Mathematician's delight. New York: Penguin Books.

Trích dẫn kiểu Chicago

Sawyer, W. W. Mathematician's Delight. New York: Penguin Books, 1943.

MLA citiranje

Sawyer, W. W. Mathematician's Delight. New York: Penguin Books, 1943.

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