Rao, K. S. (2006). Introduction to Partial Differential Equations (2nd ed.). Prentice Hall of India.
Chicago-čujuhus (17. p.)Rao, K. Sankara. Introduction to Partial Differential Equations. 2nd ed. New Delhi: Prentice Hall of India, 2006.
MLA-čujuhus (9. p.)Rao, K. Sankara. Introduction to Partial Differential Equations. 2nd ed. Prentice Hall of India, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.