Puspita Larasati, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012
UI - Skripsi (Open)
Ralli Dibyaguna, author
Fakultas Hukum Universitas Indonesia, 2014
UI - Skripsi (Membership)
Boyd, William E., author
Prentice-Hall, 1955
Buku Teks
Dinsdale, W.A.
Sir Isaac Pitman & Sons, Ltd. , 1959
Buku Teks
Hyde, William A.
The National Underwriter , 1969
Buku Teks