APA استشهاد

Ockendon, J. e. e. a. (1999). Applied partial differential equations. oxford university press.

استشهاد بنمط شيكاغو

Ockendon, John ed. et- al. Applied Partial Differential Equations. Oxford: oxford university press, 1999.

MLA استشهاد

Ockendon, John ed. et- al. Applied Partial Differential Equations. oxford university press, 1999.