Krantz, S. G. (2009). A guide to real variables. Mathematical Association of America.
芝加哥风格引文Krantz, Steven G. A Guide to Real Variables. [Washington, D.C.]: Mathematical Association of America, 2009.
MLA引文Krantz, Steven G. A Guide to Real Variables. Mathematical Association of America, 2009.
警告：这些引文格式不一定是100％准确.