Lensen, George Alexander
Charles E. Tuttle Co., 1970
Buku Teks
Lim, William Siew Wai, 1932-, author
Periplus editions,
Buku Referensi
Zariani, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2004
UI - Tesis (Membership)
Braginsky, Vladimir I., author
Curzon Press, 2001
Buku Teks
R. Ida Rojani, author
Fakultas Hukum Universitas Indonesia, 2013
UI - Tesis Membership