ebrary, Inc, & Beaver, C. (2013). Resources for preparing middle school mathematics teachers. Mathematical Association of America.
芝加哥风格引文ebrary, Inc, 与 Cheryl Beaver. Resources for Preparing Middle School Mathematics Teachers. Washington, D.C.: Mathematical Association of America, 2013.
MLA引文ebrary, Inc, 与 Cheryl Beaver. Resources for Preparing Middle School Mathematics Teachers. Mathematical Association of America, 2013.
警告：这些引文格式不一定是100％准确.