APA-referens (7:e uppl.)

Fong, N. S. (2004). Mathematics in action. Longman.

Chicago-referens (17:e uppl.)

Fong, Ng Swee. Mathematics in Action. Singapore: Longman, 2004.

MLA-referens (8:e uppl.)

Fong, Ng Swee. Mathematics in Action. Longman, 2004.