Παραπομπή APA

Hawking, S. (2007). God created the integers: The mathematical breakthroughs that changed history. Penguin Books.

Παραπομπή Chicago Style

Hawking, Stephen.,ed. God Created the Integers: The Mathematical Breakthroughs That Changed History. New Delhi: Penguin Books, 2007.

Παραπομπή MLA

Hawking, Stephen.,ed. God Created the Integers: The Mathematical Breakthroughs That Changed History. Penguin Books, 2007.