Dodds, Harold W., author
McGraw-Hill, 1962
Buku Teks
David Rusman
Jossy-Bass, 1980
Buku Teks
Fincher, E. B., author
Abelard-Schuman, 1955
Buku Teks
Muhammad Zainor Ridho, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2006
UI - Tesis (Membership)
Gorman, Jack
Grays Publishing, 1977
Buku Teks