Marriot, Bety Bowers, author
McGraw-Hill, 1997
Buku Referensi
Wood, Christopher, author
Addison-Wesley, 1998
Buku Teks
Canter, Larry W., author
McGraw-Hill, 1996
Buku Teks
Clark, Brian D., author
Mansell, 1980
Buku Teks
Bambang Sudjatmiko, author
Program Pascasarjana Universitas Indonesia, 2005
UI - Tesis (Membership)