Stewart, J. (2012). Multivariable calculus (7a. ed.). Brooks - Cole Cengage Learning.
Cita Chicago (17th ed.)Stewart, James. Multivariable Calculus. 7a. ed. Belmont: Brooks - Cole Cengage Learning, 2012.
Cita MLA (9th ed.)Stewart, James. Multivariable Calculus. 7a. ed. Brooks - Cole Cengage Learning, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.