Koers, D. (2011). Picture yourself learning Microsoft Word 2010. Course Technology PTR.
芝加哥风格引文Koers, Diane. Picture Yourself Learning Microsoft Word 2010. Boston, Mass., U.S.A.: Course Technology PTR, 2011.
MLA引文Koers, Diane. Picture Yourself Learning Microsoft Word 2010. Course Technology PTR, 2011.
警告：这些引文格式不一定是100％准确.