Cita APA (7th ed.)

Fong, N. S. (2001). Mathematics in action. Longman.

Cita Chicago (17th ed.)

Fong, Ng Swee. Mathematics in Action. Singapore: Longman, 2001.

Cita MLA (8th ed.)

Fong, Ng Swee. Mathematics in Action. Longman, 2001.