Dòng Nội dung
1
American government : people, institutions, and policies / John H. Aldrich.
Boston : Houghton Mifflin, 1986
xix, 719, 10, 22, 20 p. : ill. ; 24 cm.



2
American government : institutions, policies, and politics / Paul A. Dawson.
Glenview, ill. : Scott, Foresman and company, 1987
631p. : ill ; 23 cm.



3