Stamatis, Diomidis H., author
The McGraw-Hill , 1996
Buku Teks
Lia Rosiana Permatasari, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2005
UI - Tesis Membership
Lam, Siew Wah, author
McGraw-Hill, 1994
Buku Teks
Barito Rivera S., author
1997
UI - Skripsi Membership
Nee, Paul A.
John Wiley & Sons, 1996
Buku Teks