APA-referens

Holton, D. A. (2011). A second step to Mathematical Olympiad problems. World Scientific.

Chicago-stil citat

Holton, Derek Allan. A Second Step to Mathematical Olympiad Problems. Hackensack, NJ: World Scientific, 2011.

MLA-referens

Holton, Derek Allan. A Second Step to Mathematical Olympiad Problems. World Scientific, 2011.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.