Sharma, J., & Singh,Kehar. (2001). Partial differential equations for engineers and scientists. Narosa.
استشهاد بنمط شيكاغوSharma, J.N, و Singh,Kehar. Partial Differential Equations for Engineers and Scientists. New Delhi: Narosa, 2001.
MLA استشهادSharma, J.N, و Singh,Kehar. Partial Differential Equations for Engineers and Scientists. Narosa, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.