King, Stephen, author
A Signet Book , 1982
Buku Teks
Curson, Peter, 1940-, author
New South Wales University Press, [Date of publication not identified]
Buku Teks
Winda Fitri Subekti, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1999
UI - Skripsi (Membership)
Parker, R.S.
Prentice Hall International, 1978
Buku Teks
Markey, Ray
New South Wales University Press, 1988
Buku Teks