Παραπομπή APA

Krishnamurthy, V. a. (2008). Challenge and thrill of pre-college mathematics. New Age International.

Παραπομπή Chicago Style

Krishnamurthy, V.et al. Challenge and Thrill of Pre-college Mathematics. New Delhi: New Age International, 2008.

Παραπομπή MLA

Krishnamurthy, V.et al. Challenge and Thrill of Pre-college Mathematics. New Age International, 2008.