Παραπομπή APA

Sharma, J., & Singh,Kehar. (2001). Partial differential equations for engineers and scientists. Narosa.

Παραπομπή Chicago Style

Sharma, J.N, και Singh,Kehar. Partial Differential Equations for Engineers and Scientists. New Delhi: Narosa, 2001.

Παραπομπή MLA

Sharma, J.N, και Singh,Kehar. Partial Differential Equations for Engineers and Scientists. Narosa, 2001.