APA-referens

Spooner, G. A., & Mentzer, R. L. (1968). Introduction to number systems. Prentice-Hall of India.

Chicago-stil citat

Spooner, George A., och Richard L. Mentzer. Introduction to Number Systems. New Jersey: Prentice-Hall of India, 1968.

MLA-referens

Spooner, George A., och Richard L. Mentzer. Introduction to Number Systems. Prentice-Hall of India, 1968.