Duncan, W. Jack, author
Blackwell, 1999
Buku Teks
Duncan, W. Jack, author
Blackwell, 1995
Buku Teks
Ginter, Peter M., author
Jossey-Bass, 2014
Buku Teks
Melati P. Putri, author
Fakultas Teknik Universitas Indonesia, 2011
UI - Skripsi (Open)
McLean, Robert A., author
Delmar, 1997
Buku Teks