APA-viite

Ames, W. (1977). Numerical methods for partial differential equations (2.). Academic press.

Chicago-tyylinen lähdeviittaus

Ames, W.F. Numerical Methods for Partial Differential Equations. 2. New York: Academic press, 1977.

MLA-viite

Ames, W.F. Numerical Methods for Partial Differential Equations. 2. Academic press, 1977.