APA (7e ed.) Bronvermelding

D'Angelo, J. P., & West, D. B. (1997). Mathematical thinking: Problem-solving and proofs. Prentice Hall.

Chicago (17e ed.) Bronvermelding

D'Angelo, John P., en Duglas B. West. Mathematical Thinking: Problem-solving and Proofs. Upper Saddle River, N.J: Prentice Hall, 1997.

MLA (9e ed.) Bronvermelding

D'Angelo, John P., en Duglas B. West. Mathematical Thinking: Problem-solving and Proofs. Prentice Hall, 1997.