McLeod, Raymond, author
Prenhallindo , 1996
Buku Teks
McLeod, Raymond, author
Bhuana Ilmu Populer, 1996
Buku Teks
McLeod, Raymond, author
Prenhallindo , 1996
Buku Teks
Enrico Elizar Samuel, author
Universitas Indonesia, 1997
UI - Skripsi Membership
Tambunan, Hendra M., author
Fakultas Teknik Universitas Indonesia, 2002
UI - Skripsi Membership