Bottomore, Tom B., author
Penguin Books, 1964
Buku Teks
Keller, Suzanne, author
Random House, 1968
Buku Teks
Israr, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2006
UI - Tesis (Membership)
Adlina Marga Ummu Aiman, author
2015
UI - Skripsi (Membership)
Lussier, Danielle N., author
Cambridge University Press, 2016
Buku Teks