APA استشهاد

J.N.Sharma & Kehar Sing. (2001). Partial differential equations for Engineers and Scientists (1st.). Narosa.

استشهاد بنمط شيكاغو

J.N.Sharma و Kehar Sing. Partial Differential Equations for Engineers and Scientists. 1st. New Delhi: Narosa, 2001.

MLA استشهاد

J.N.Sharma و Kehar Sing. Partial Differential Equations for Engineers and Scientists. 1st. Narosa, 2001.