MADDOX, T. K. (1969). Elementary functions. Prentice-Hall.
Cita Chicago (17th ed.)MADDOX, Thomas K. Elementary Functions. Englewood Cliffs: Prentice-Hall, 1969.
Cita MLA (9th ed.)MADDOX, Thomas K. Elementary Functions. Prentice-Hall, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.