APA استشهاد

Smith, G. D. (1969). Numerical solution of partial differential equations. Oxford University press.

استشهاد بنمط شيكاغو

Smith, G D. Numerical Solution of Partial Differential Equations. New York: Oxford University press, 1969.

MLA استشهاد

Smith, G D. Numerical Solution of Partial Differential Equations. Oxford University press, 1969.