Whida Rositama
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2014
UI - Tesis Membership
Appleton, Julian J.
Practicing Law Institute, 1947
Buku Teks
Rosenfeld, Paul
University of Illinois, 1961
Buku Teks
Rutherfurd, Edward
Ballantine Books Trade Paperbacks, 2010
Buku Teks
Wolfe, Gerard R.
McGraw-Hill, 1994
Buku Referensi