Dean, Vera Micheles
New American Library, 1960
Buku Teks SO
Crawford, William R.
Frederick A. Praeger, 1961
Buku Teks SO
Gibson, Charles
Harper & Row, 1966
Buku Teks SO
Berle, Adolf A., Jr.
Harper & Row, [1962]
Buku Teks SO
M. Melly Kosasih
Program Pascasarjana Universitas Indonesia, 1993
UI - Tesis Membership