Keegan, Warren J., author
Elex Media Komputindo, [date of publication no identified]
Buku Teks
Ilham Prisgunanto, author
Ghalia Indonesia, 2006
Buku Teks
Yudin, Daniel L
Gramedia Pustaka Utama, 1999
Buku Teks
Sonni
Elex Media Komputindo, 1998
Buku Teks
Grede, Robert, author
Interaksa, 2002
Buku Teks