Gaya APA

Rao, K, S. et al (2003,2004). Introduction To Partial Differential Equations (Ed. 2). New Delhi: Prentice -Hall of India.

Gaya MLA

Rao, K., Sankara. et al. "Introduction To Partial Differential Equations". Ed. 2 New Delhi: Prentice -Hall of India, 2003,2004. Text.