Meserve, B. E., & Sobel, M. A. (1969). Introduction to mathematics (2nd ed.). Prentice-Hall.
Cita Chicago (17th ed.)Meserve, Bruce Elwyn, i Max A. Sobel. Introduction to Mathematics. 2nd ed. Cliffs, New Jersey: Prentice-Hall, 1969.
Cita MLA (9th ed.)Meserve, Bruce Elwyn, i Max A. Sobel. Introduction to Mathematics. 2nd ed. Prentice-Hall, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.