Rao, K. S. (1995). Introduction to partial differential equations. Dover Publications.
芝加哥风格引文Rao, K. Sankara. Introduction to Partial Differential Equations. Mineola, N.Y.: Dover Publications, 1995.
MLA引文Rao, K. Sankara. Introduction to Partial Differential Equations. Dover Publications, 1995.
警告：这些引文格式不一定是100％准确.