APA-referens (7:e uppl.)

Velleman, D. J. (2006). How to prove it: A structured approach (2nd ed.). Cambridge University Press.

Chicago-referens (17:e uppl.)

Velleman, Daniel J. How to Prove It: A Structured Approach. 2nd ed. Cambridge ; New York: Cambridge University Press, 2006.

MLA-referens (8:e uppl.)

Velleman, Daniel J. How to Prove It: A Structured Approach. 2nd ed. Cambridge University Press, 2006.