Rao, K. S. (2011). Partial Differential Equations (3rd ed.). PHI Learning.
Citazione stile Chigago Style (17a edizione)Rao, K. Sankara. Partial Differential Equations. 3rd ed. New Delhi: PHI Learning, 2011.
Citatione MLA (9a ed.)Rao, K. Sankara. Partial Differential Equations. 3rd ed. PHI Learning, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.