Dòng Nội dung
1
American government : continuity and change / Karen O Connor, Larry J. Sabato.
New York : Longman, 2000
xxvi, 802 p. : ill. (some col.) ; 26 cm.
2
American government : roots and reform / Karen O Connor, Larry J. Sabato.
New York : Macmillan ;, 1993.
xxiv, 732 p. : ill. (some col.), col. maps ; 27 cm.
3
The essentials of American government : continuity and change / Karen O Connor, Larry J. Sabato.
Boston, Mass. : Allyn and Bacon, 1998.
xx, 444 p. : ill. ; 24 cm.