Gaya APA

Swanson, C, P., Ames, W, F. (1977). Numerical methods for partial differential eguations . London: London: Thomas Nelson; 1977.

Gaya MLA

Swanson, Carl, P.., Ames, William, F.. "Numerical methods for partial differential eguations". London: London: Thomas Nelson; 1977, 1977. Text.