APA (7e ed.) Bronvermelding
Alsina, C., & Nelsen, R. B. (2010). Charming proofs: A journey into elegant mathematics. Mathematical Association of America.
Chicago (17e ed.) Bronvermelding
Alsina, Claudi, en Roger B. Nelsen. Charming Proofs: A Journey into Elegant Mathematics. Washington, D.C.: Mathematical Association of America, 2010.
MLA (9e ed.) Bronvermelding
Alsina, Claudi, en Roger B. Nelsen. Charming Proofs: A Journey into Elegant Mathematics. Mathematical Association of America, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.