Gaya APA

Williamson, R, E. (1979). Multivariable Mathematics Linear Algebra, Calculus, Differential Equations . New Jersey: Prentice-Hall, Inc.

Gaya MLA

Williamson, Richard, E. "Multivariable Mathematics Linear Algebra, Calculus, Differential Equations". New Jersey: Prentice-Hall, Inc, 1979. .