Harrigan, John J.
Politics and the American future / John J. Harrigan
Little, Brown & Co., 1984
 Buku Teks SO
Harrigan, John J.
Politics and policy in states and communities / John J. Harrigan
Little, Brown & Co., 1984
 Buku Teks SO
Clokie, H. Mcd.
Canadian government and politics
Toronto Langmans, Green 1950
 Buku Teks
Willborn, Steven L.
Employment law: cases and materials/ Stewart J. Schwab; John F. Burton
The Michie Company, 1993
 Buku Teks
Laski, Harold J.
An introduction to politics
George Allen and Unwin, 1960
 Buku Teks SO