Παραπομπή APA

Clawson, C. C. (2004). Mathematical traveler: Exploring the grand history of numbers. Viva books..

Παραπομπή Chicago Style

Clawson, Calvin C. Mathematical Traveler: Exploring the Grand History of Numbers. Chennai: Viva books., 2004.

Παραπομπή MLA

Clawson, Calvin C. Mathematical Traveler: Exploring the Grand History of Numbers. Viva books., 2004.