Alexander, Herbert E.
Burgess Publishing Company, 1972
Buku Teks
Heard, Alexander
Anchor Books Doubleday and Company, 1962
Buku Teks
Ghazi Afrian Sadikin, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Tugas Akhir
Mutch, Robert E., author
Oxford University Press., 2014
Buku Teks
Khoirunnisa Nur Agustyati, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2017
UI - Tesis (Membership)