Katz, Harry C., author
McGraw-Hill, 2003
Buku Teks
Amaranila Anindita Pramesi, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2005
UI - Tesis (Membership)
Dilts, David A., author
McGraw-Hill, Irwin, 2007
Buku Teks
Levinson, Harold M., author
John Wiley & Sons, 1966
Buku Teks
Chamberlain, Neil W. (Neil Wolverton), author
McGraw-Hill , 1986
Buku Teks