J.N. Sharma & Kehar Singh. (2009). Partial differential equations for engineers and scientists (2.). Narosa.
استشهاد بنمط شيكاغوJ.N. Sharma و Kehar Singh. Partial Differential Equations for Engineers and Scientists. 2. New Delhi: Narosa, 2009.
MLA استشهادJ.N. Sharma و Kehar Singh. Partial Differential Equations for Engineers and Scientists. 2. Narosa, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.