Feldman, R. S. (2009). Power Learning. McGraw - HillCompanies, Inc.
Trích dẫn kiểu ChicagoFeldman, Robert S. Power Learning. McGraw - HillCompanies, Inc, 2009.
MLA引文Feldman, Robert S. Power Learning. McGraw - HillCompanies, Inc, 2009.
警告：這些引文格式不一定是100％准確.