Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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