edited by Felix Geyer and
Sage, 1986
Buku Teks
John Wiley & Sons, 1979
Buku Teks
Tono Purwantoro, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2002
UI - Tesis (Membership)
edited by Charles R. Dechert
A. Clarion book, 1966
Buku Teks
Ashby, W. Ross, author
Chapman and Hall , 1973
Buku Teks