Folland, G. B. (1976). Introduction to partial differential equations. Princeton University Press.
芝加哥风格引文Folland, G. B. Introduction to Partial Differential Equations. Princeton, N.J.: Princeton University Press, 1976.
MLA引文Folland, G. B. Introduction to Partial Differential Equations. Princeton University Press, 1976.
警告：这些引文格式不一定是100％准确.