Horner, D. A. (1972). Introductory Calculus (1st edition.). Holt.
Cita Chicago (17th ed.)Horner, D A. Introductory Calculus. 1st edition. New York: Holt, 1972.
Cita MLA (9th ed.)Horner, D A. Introductory Calculus. 1st edition. Holt, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.