Crilly,Tony. (2009). Fifty mathematical ideas: You really need to know. Quercus.
Chicago Style citaatCrilly,Tony. Fifty Mathematical Ideas: You Really Need to Know. Great Britan: Quercus, 2009.
MLA citatieCrilly,Tony. Fifty Mathematical Ideas: You Really Need to Know. Quercus, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.