Crilly,Tony. (2009). Fifty mathematical ideas: You really need to know. Quercus.
Chicago Edition CitationCrilly,Tony. Fifty Mathematical Ideas: You Really Need to Know. Great Britan: Quercus, 2009.
Cita MLACrilly,Tony. Fifty Mathematical Ideas: You Really Need to Know. Quercus, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.