ebrary, Inc, & Beaver, C. (2013). Resources for preparing middle school mathematics teachers. Mathematical Association of America.
Citazione stile Chigago Style (17a edizione)ebrary, Inc, e Cheryl Beaver. Resources for Preparing Middle School Mathematics Teachers. Washington, D.C.: Mathematical Association of America, 2013.
Citatione MLA (9a ed.)ebrary, Inc, e Cheryl Beaver. Resources for Preparing Middle School Mathematics Teachers. Mathematical Association of America, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.