Benjamin, A., & Shermer, M. (2006). Secrets of mental math: The mathemagician's guide to lightning calculation and amazing math tricks. Three Rivers Press.
Citace podle Chicago (17th ed.)Benjamin, Arthur, a Michael Shermer. Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks. New York: Three Rivers Press, 2006.
Citace podle MLA (9th ed.)Benjamin, Arthur, a Michael Shermer. Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks. Three Rivers Press, 2006.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..