Benjamin, A. (2006). Secrets of mental math: The mathemagician's guide to lightning calculation. Three rivers.
Citación estilo ChicagoBenjamin, Arthur. Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation. New York: Three rivers, 2006.
Cita MLABenjamin, Arthur. Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation. Three rivers, 2006.
Warning: These citations may not always be 100% accurate.