Moss, Geoffrey, author
Gramedia, 1997
Buku Teks
Mercado, Cesar M., author
Development Consultant For Asia Pasific, 1999
Buku Teks
Cason, Herbert N.
Halirang , 1995
Buku Teks
Adecya Ayu Cynantya, author
Fakultas Teknik Universitas Indonesia, 2008
UI - Skripsi (Open)
Dale, Margaret, author
Gramedia, 2003
Buku Teks