| Type |  Book |
| ชื่อเรื่อง | In defense of negativity : attack ads in presidential campaigns / John. G. Geer |
| ผู้แต่ง | Geer, John gray |
| ISBN | 0226284999 |
| | 9780226284996 |
| พิมพลักษณ์ | Chicago : University of Chicago Press, 2006 |
| รูปเล่ม | xvii, 201 p. : ill. ; 24 cm |
| หัวเรื่อง | Advertising, Political --United States [] |
| | Campaign management --United States [] |
| | Negativism |
| | Political campaigns --United States [] |
| | Presidents --United States --Elections --History [] |