BASIC ECONOMIC PRINCIPLES FOURTH EDITION
ROBERT A.LYNN1980 年出版454 页ISBN：0070392641
American economic history third edition
robert C.puth1993 年出版754 页ISBN：0030969050
INTERNATIONAL MARITIME AND ADMIRALTY LAW
ROBERT C.WILKINS2002 年出版959 页ISBN：2894516126
BASIC MORAL PHILOSOPHY SECOND EDITION
ROBERT L.HOLMES1998 年出版234 页ISBN：0534526632
THERAVADA BUDDHISM IN SOUTHEAST ASIA
ROBERT C.LESTER1973 年出版201 页ISBN：0472061844
CREATING INSTRUCTIONAL MATERIALS THIRD EDITION
ROBERT V.BULLOUGH1988 年出版368 页ISBN：0675208688
ESSENTIALS OF PSYCHOLOGY THIRD EDITION
ROBERT A.BARON2002 年出版600 页ISBN：0205341756
