Παραπομπή APA

Holton, D. (2010). First step to Mathematical olympiad problems. World Scientific.

Παραπομπή Chicago Style

Holton, Derek. First Step to Mathematical Olympiad Problems. New Jersey: World Scientific, 2010.

Παραπομπή MLA

Holton, Derek. First Step to Mathematical Olympiad Problems. World Scientific, 2010.