Ward, Aidan, author
John Wiley & Sons Ltd, 2003
Buku Teks
Evans, Nicholas D.
Prentice-Hall, 2002
Buku Teks
Curtis, Graham
Addison-Wesley Publishing Co 1991, 1989
Buku Teks
Arismen, author
2019
UI - Tesis (Membership)
Daru Widya Kusumo, author
2016
UI - Tugas Akhir