Cita APA (7th ed.)

Daintith, J., & Nelson, R. D. (1989). The Penguin dictionary of mathematics. Penguin Books.

Cita Chicago (17th ed.)

Daintith, John, i R. D. Nelson. The Penguin Dictionary of Mathematics. London: Penguin Books, 1989.

Cita MLA (9th ed.)

Daintith, John, i R. D. Nelson. The Penguin Dictionary of Mathematics. Penguin Books, 1989.