THE STUDENT'S GUIDE TO WRITING ECONOMICS
ROBERT NEUGEBOREN2005 年出版86 页ISBN:0415701236
GETIN THE BOOTH!: A CITIZEN'S GUIDE TO THE 2004 EDITION
LARRY J.SABATO2005 年出版143 页ISBN:0321262131
THE CALIFORNIA STATE CONSTITUTION A REFERENCE GUIDE
JOSEPH R.GRODIN1993 年出版372 页ISBN:
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JUDITH BEREZIN1990 年出版259 页ISBN:930109441X