OPENING DOORS:UNDERSTANDING COLLEGE READING SECOND EDITION
JOE CORTINA JANET ELDER1998 年出版598 页ISBN：0070244707
UNDERSTANDING ECONOMICS TODAY SIXTH EDITION
GARY M.WALTON AND FRANK C.WYKOFF1998 年出版496 页ISBN：
OPENING DOORS:UNDERSTANDING COLEGE READING FOURTH EDITION
JOE CORTINA AND JANET ELDER2005 年出版744 页ISBN：
sixth edition Understanding human sexuality
Janet Shibley Hyde and john D.delamater1997 年出版685 页ISBN：0070318026
Understanding the law sixth edition
Donald L.Carper and john A.mckinsey2012 年出版793 页ISBN：0538473592
ESSENTIALS OF UNDERSTANDING PSYCHOLOGY SIXTH EDITION
2005 年出版563 页ISBN：0072965037
EFFICIENT AND FLEXIBLE READING SIXTH EDITION
KATHLEEN T.MCWHORTER2222 年出版640 页ISBN：
BREAKING THROUGH COLLEGE READING SIXTH EDITION
BRENDA D.SMITH2002 年出版524 页ISBN：
