Crilly,Tony. (2009). Fifty mathematical ideas: You really need to know. Quercus.
Chicago-стиль цитированияCrilly,Tony. Fifty Mathematical Ideas: You Really Need to Know. Great Britan: Quercus, 2009.
MLA-цитированиеCrilly,Tony. Fifty Mathematical Ideas: You Really Need to Know. Quercus, 2009.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.