Παραπομπή APA

Odifreddi, P. (2005). Mathematical century: The 30 greatest problems of the last 100 years.

Παραπομπή Chicago Style

Odifreddi, Piergiorgio. Mathematical Century: The 30 Greatest Problems of the Last 100 Years. Universities Press (India) Ltd., Hyderabad, 2005.

Παραπομπή MLA

Odifreddi, Piergiorgio. Mathematical Century: The 30 Greatest Problems of the Last 100 Years. 2005.