Crilly,Tony. (2009). Fifty mathematical ideas: You really need to know. Quercus.
Chicago ZitierstilCrilly,Tony. Fifty Mathematical Ideas: You Really Need to Know. Great Britan: Quercus, 2009.
MLA ZitierstilCrilly,Tony. Fifty Mathematical Ideas: You Really Need to Know. Quercus, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.