APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.