APA aipamena

Ames, W. F. (1977). Numerical methods for partial differential equations (23.).

Chicago Style aipamena

Ames, William F. Numerical Methods for Partial Differential Equations. 23. Academic Press, New York, 1977.

MLA aipamena

Ames, William F. Numerical Methods for Partial Differential Equations. 23. 1977.