Wood, W.A.
Pergamon Press, 1971
Buku Teks
Cottrell, A.H., author
Edward Arnold, 1965
Buku Teks
Avner, Sidney H., author
McGraw-Hill, 1974
Buku Teks
A. Rachman Mustar, author
Universitas Indonesia, 1999
UI - Tesis (Membership)
Doan, Gilbert E., author
McGraw-Hill, 1953
Buku Teks