Fleming, W. H. (1977). Functions of several variables (2d ed.). Springer-Verlag.
Cita Chicago (17th ed.)Fleming, Wendell Helms. Functions of Several Variables. 2d ed. New York: Springer-Verlag, 1977.
Cita MLA (9th ed.)Fleming, Wendell Helms. Functions of Several Variables. 2d ed. Springer-Verlag, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.