APA استشهاد

Knabner, P. (2003). Numerical methods for elliptic and parabolic partial differential equations. Springer.

استشهاد بنمط شيكاغو

Knabner, Peter. Numerical Methods for Elliptic and Parabolic Partial Differential Equations. New York: Springer, 2003.

MLA استشهاد

Knabner, Peter. Numerical Methods for Elliptic and Parabolic Partial Differential Equations. Springer, 2003.