Polya, G., & Conway, J. H. (2014). How to solve it: A new aspect of mathematical method (New Princeton Science Library edition.). Princeton University Press.
Цитирование в стиле Чикаго (17-е изд.)Polya, G., и John H. Conway. How to Solve It: A New Aspect of Mathematical Method. New Princeton Science Library edition. Princeton: Princeton University Press, 2014.
Цитирование MLA (8-е изд.)Polya, G., и John H. Conway. How to Solve It: A New Aspect of Mathematical Method. New Princeton Science Library edition. Princeton University Press, 2014.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.