1 |  | American government / Roger Leroy Miller . - Lincolnwood : National textbook , 2002. - XXII,855 tr ; 26 cm Thông tin xếp giá: 320/A.000046-000047 |
2 |  | NTC's American government / Roger Leroy Miller . - 2nd ed. - Lincolnwood : National Textbook , 1999. - XXII, 855 tr ; 26 cm Thông tin xếp giá: 900/A.000194-000195 |