Polya, G. (1957). How to solve it: New aspect of mathematical methods (2nd ed.). Prenceton.
シカゴスタイル引用形Polya, G. How to Solve It: New Aspect of Mathematical Methods. 2nd ed. New Jersey: Prenceton, 1957.
MLA引用形式Polya, G. How to Solve It: New Aspect of Mathematical Methods. 2nd ed. Prenceton, 1957.
警告: この引用は必ずしも正確ではありません.