Lieberman, G. M. (2013). Oblique derivative problems for elliptic equations. World Scientific.
芝加哥风格引文Lieberman, Gary M. Oblique Derivative Problems for Elliptic Equations. Singapore: World Scientific, 2013.
MLA引文Lieberman, Gary M. Oblique Derivative Problems for Elliptic Equations. World Scientific, 2013.
警告：这些引文格式不一定是100％准确.