Yell, Mitchell L.
Prentice-Hall, 1998
Buku Teks
Bracy, Warren D.
The Bobbs-Merrill Company, Inc., 1978
Buku Teks
Herring, E. Pendleton, author
McGraw-Hill, 1936
Buku Teks
Desca Putra Yana, author
Fakultas Hukum Universitas Indonesia, 2014
UI - Skripsi (Membership)
Gladys Raditya Sartika, author
2013
UI - Tesis (Membership)