Lipset, S.M., author
University of California Press , 1967
Buku Teks
Mansergh, Nicholas, author
Royal Institute Of International Affair, 1948
Buku Teks
C.S. Lim
The Department of English University of Malaya, [date of publication no identified]
Buku Teks
Griffiths, Percival, Sir, 1899-, author
Ernest Benn, 1969
Buku Teks
Oktavian Awazli Rizki Perdana, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2014
UI - Skripsi (Membership)