Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.