Velleman, D. J. (2006). How to prove it: A structured approach (2nd ed.). Cambridge University Press.
Chicagoスタイル(17版)引用形式Velleman, Daniel J. How to Prove It: A Structured Approach. 2nd ed. Cambridge ; New York: Cambridge University Press, 2006.
MLA(8版)引用形式Velleman, Daniel J. How to Prove It: A Structured Approach. 2nd ed. Cambridge University Press, 2006.
警告: この引用は必ずしも正確ではありません.