editorial board, Gerald Reid Barry ... [and others] ; illustrated and designed by Hans Erni
Macdonald, 1966
Buku Teks
Newman, Daniel, author
Routledge, 2007
Buku Referensi
Alif Danya Munsyi, author
Kepustakaan Populer Gramedia, 2005
Buku Teks
Neher, William W
Allyn and Bacon, 1993
Buku Teks
Rangga M. Jati, author
Fakultas Ilmu Komputer Universitas Indonesia, 2009
UI - Skripsi (Open)