UNDERSTANDING AMERICAN GOVERNMENT EIGHTH EDITION
SUSAN WELCH JOHN GRUHL JOHN COMER SUSAN M.RIGDON著2222 年出版621 页ISBN：0534647499
AMERICAN GOVERNMENT BRIEF VERSION FOURTH EDITION
1997 年出版465 页ISBN：9524669417906
SOURCES NOTABLE SELECTIONS IN AMERICAN GOVERNMENT
MITCHEL GERBER1996 年出版328 页ISBN：
CQ guide to current American government
Spring 19951995 年出版149 页ISBN：156802116X
UNDERSTANDING AMERICAN GOVERNMENT REVISED SECOND EDITION
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