Williamson, R. E. Multivariable mathematics: Linear algebra, differential equations, calculus. Prentice-Hall, Inc.
Cita Chicago (17th ed.)Williamson, Richard E. Multivariable Mathematics: Linear Algebra, Differential Equations, Calculus. Englewood: Prentice-Hall, Inc.
Cita MLA (9th ed.)Williamson, Richard E. Multivariable Mathematics: Linear Algebra, Differential Equations, Calculus. Prentice-Hall, Inc.
Atenció: Aquestes cites poden no estar 100% correctes.