Rao, K. S. (1995). Introduction to partial differential equations (6th ed.). Prentice-Hall of India.
芝加哥风格引文Rao, K. Sankara. Introduction to Partial Differential Equations. 6th ed. New Delhi: Prentice-Hall of India, 1995.
MLA引文Rao, K. Sankara. Introduction to Partial Differential Equations. 6th ed. Prentice-Hall of India, 1995.
警告：这些引文格式不一定是100％准确.