Dugopolski, M. (2004). Elementary algebra (Fourth edition.). McGraw-Hill.
芝加哥风格引文Dugopolski, Mark. Elementary Algebra. Fourth edition. Boston: McGraw-Hill, 2004.
MLA引文Dugopolski, Mark. Elementary Algebra. Fourth edition. McGraw-Hill, 2004.
警告：这些引文格式不一定是100％准确.