Dubisch, R. (1963). The teaching of mathematics: From intermediate algebra thorugh first year calculus. Wiley.
Cita Chicago (17th ed.)Dubisch, Roy. The Teaching of Mathematics: From Intermediate Algebra Thorugh First Year Calculus. New York: Wiley, 1963.
Cita MLA (9th ed.)Dubisch, Roy. The Teaching of Mathematics: From Intermediate Algebra Thorugh First Year Calculus. Wiley, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.