Lapwood, E. R. (1968). Ordinary differential equations. Pergamon Press.
芝加哥风格引文Lapwood, E. R. Ordinary Differential Equations. Oxford, Sydney: Pergamon Press, 1968.
MLA引文Lapwood, E. R. Ordinary Differential Equations. Pergamon Press, 1968.
警告：这些引文格式不一定是100％准确.