Dubisch, R. (1963). The teaching of mathematics: From intermediate algebra thorugh first year calculus. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDubisch, Roy. The Teaching of Mathematics: From Intermediate Algebra Thorugh First Year Calculus. New York: Wiley, 1963.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDubisch, Roy. The Teaching of Mathematics: From Intermediate Algebra Thorugh First Year Calculus. Wiley, 1963.
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