Edwards, C. H., & Penney, D. E. (1998). [Calculus with analytic geometry. Selections]. Multivariable calculus with analytic geometry (5th ed.). Prentice-Hall.
Cita Chicago (17th ed.)Edwards, C. Henry, i David E. Penney. [Calculus with Analytic Geometry. Selections]. Multivariable Calculus with Analytic Geometry. 5th ed. Upper Saddle River, NJ: Prentice-Hall, 1998.
Cita MLA (9th ed.)Edwards, C. Henry, i David E. Penney. [Calculus with Analytic Geometry. Selections]. Multivariable Calculus with Analytic Geometry. 5th ed. Prentice-Hall, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.