APA-referens

Coppel, W. A. (2006). Number theory: An introduction to mathematics V.2. Springer.

Chicago-stil citat

Coppel, W. A. Number Theory: An Introduction to Mathematics V.2. New York, NY: Springer, 2006.

MLA-referens

Coppel, W. A. Number Theory: An Introduction to Mathematics V.2. Springer, 2006.