APA استشهاد

Finlayson, B. A. (1972). The method of weighted residuals and variational principles. Academic press.

استشهاد بنمط شيكاغو

Finlayson, Bruce A. The Method of Weighted Residuals and Variational Principles. New York: Academic press, 1972.

MLA استشهاد

Finlayson, Bruce A. The Method of Weighted Residuals and Variational Principles. Academic press, 1972.