Brown, Lester R.
W.W. Norton, 1981
Buku Teks
Haggerty, Patrick E.
Columbia University Press, 1974
Buku Teks
Lewis, William Arthur, 1915-
George Allen & Unwin, 1951
Buku Teks
edited by Michael Stohl and Harry R. Targ
Schenkman Publishing Company, 1982
Buku Teks
Achmad Razak
Euromoney Books in association with Argo Manunggal Group, Dharmala Group/PSP Group, Jakarta Stock Exchange, Ometraco Corp, 1996
Buku Teks