Apostol, T. M. (1969). Calculus (2nd ed.). John Wiley & Sons.
Cita Chicago (17th ed.)Apostol, Tom M. Calculus. 2nd ed. New York: John Wiley & Sons, 1969.
Cita MLA (9th ed.)Apostol, Tom M. Calculus. 2nd ed. John Wiley & Sons, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.