Hendro Suryantoro Utomo, author
Fakultas Ekonomi,
UI - Tesis Membership
Bosboom-Toussaint, A.L.G.
J. Perfect, 1989
Buku Teks
Longford, Elizabeth, author
Weidenfeld and Nicolson, 1969
Buku Teks
Santi Jayani, author
1989
UI - Skripsi (Membership)
New York : W.W. Norton & Company, 1970.
Buku Teks