Stewart, J. (1999). Multivariable calculus (4th ed.). Brooks/Cole.
Cita Chicago (17th ed.)Stewart, James. Multivariable Calculus. 4th ed. Pacific Grove, Calif: Brooks/Cole, 1999.
Cita MLA (9th ed.)Stewart, James. Multivariable Calculus. 4th ed. Brooks/Cole, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.