Krantz, S. G. (1997). Techniques of problem solving. American Mathematical Society.
शिकागो स्टाइल उद्धरणKrantz, Steven G. Techniques of Problem Solving. Providence, R.I.: American Mathematical Society, 1997.
एमएलए उद्धरणKrantz, Steven G. Techniques of Problem Solving. American Mathematical Society, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.