Muhammad Andri, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2017
UI - Skripsi Membership
Walker, Joseph A.
N.Y. The New York Institute of Fonance, 1991
Buku Teks
Bookstaber, Richard M.
Probus publishing, 1990
Buku Teks
Universitas Indonesia, 2009
UI - Skripsi (Open)
Trester, Kenneth R., author
McGraw-Hill, 2012
Buku Teks