Crilly,Tony. (2009). Fifty mathematical ideas: You really need to know. Quercus.
Chicago-stil citatCrilly,Tony. Fifty Mathematical Ideas: You Really Need to Know. Great Britan: Quercus, 2009.
MLA-referensCrilly,Tony. Fifty Mathematical Ideas: You Really Need to Know. Quercus, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.