Barber, James David
Markaham, 1970
Buku Teks
Guha, Amalendu
People's Publishing House, 1988
Buku Teks
Aristotles, author
Modern Library, 1943
Buku Teks
Askew, Marc
ISEAS, 2007
Buku Teks
Arriza Rachmanto, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Skripsi (Membership)