Universitas Indonesia, 1998
UI - Skripsi (Membership)
Fook, Janis
Allen & Unwin, 1993
Buku Teks
edited by Robert W. Roberts, Robert H. Nee
University of Chicago Press, 1970
Buku Teks
Hollis, Florence
Random House, 1968
Buku Teks
Raisa Amellinda
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2019
UI - Skripsi (Membership)