by Lincoln D. Cathers...[et al.]; editor, J.F. Peel Brahtz
John Wiley, 1972
Buku Teks
Beatley, Timothy
University California Press, 2003
Buku Teks
Amelia Zulfitri
Fakultas Hukum Universitas Indonesia, 2016
UI - Tesis Membership
Clark, John R.
Lewis Publishers, 1996
Buku Referensi
Riri Oktaviani
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Tesis Membership