Crilly,Tony. (2009). Fifty mathematical ideas: You really need to know. Quercus.
Chicago Stili AlıntıCrilly,Tony. Fifty Mathematical Ideas: You Really Need to Know. Great Britan: Quercus, 2009.
MLA AlıntıCrilly,Tony. Fifty Mathematical Ideas: You Really Need to Know. Quercus, 2009.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..