Sudargo Gautama, author
Citra Aditya Bakti, 2002
Buku Teks
Sudargo Gautama, author
Citra Aditya Bakti, 1995
Buku Teks
Panesar, Sukhninder, author
Longman, 2001
Buku Teks
Gim, Leong Teh, author
Butterworth, 1992
Buku Teks
Kintner, Earl W., author
Macmillan, 1975
Buku Teks