Djoko Wiono
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 1988
UI - Skripsi Membership
Stathopoulos, Michael P.
Kluuwer Law International, 1995
Buku Teks
Roemer, Michael
New York Praeger 1975,
Buku Teks
Todaro, Michael P.
Longman, 1997
Buku Teks
Galbraith, John Kenneth, 1908-2006
Harvard University Press, 1964
Buku Teks SO