Triyanti Anugrahini, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2004
UI - Tesis (Membership)
Otero, George G., author
University of Denver, 1981
Buku Teks
Zopf, Paul E,Jr
Mayfield Publishing, 1984
Buku Teks
Gulati, P., author
Tata McGraw-Hill, 1984
Buku Teks
Smith, T. Lynn
J. B. Lippincott Company, 1960
Buku Teks