Sawyer, W. W. (1943). Mathematician's delight. Penguin Books Ltd.
Citación estilo ChicagoSawyer, Walter W. Mathematician's Delight. England: Penguin Books Ltd, 1943.
Cita MLASawyer, Walter W. Mathematician's Delight. Penguin Books Ltd, 1943.
Warning: These citations may not always be 100% accurate.