APA استشهاد

Bpyce, W. E., & Diprima, R. C. (1976). Elementary differential equations and boundary value problems (Ed.3.).

استشهاد بنمط شيكاغو

Bpyce, William E., و Richard C. Diprima. Elementary Differential Equations and Boundary Value Problems. Ed.3. New York, John Wiley and Sons, 1976.

MLA استشهاد

Bpyce, William E., و Richard C. Diprima. Elementary Differential Equations and Boundary Value Problems. Ed.3. 1976.