Sawyer, W. W. (1943). Mathematician's delight. Penguin Books Ltd.
Chicagoスタイル(17版)引用形式Sawyer, Walter W. Mathematician's Delight. England: Penguin Books Ltd, 1943.
MLA(9版)引用形式Sawyer, Walter W. Mathematician's Delight. Penguin Books Ltd, 1943.
警告: この引用は必ずしも正確ではありません.