Lubis, S.B. Hari, author
CIGO FIA-UI, 2009
Buku Teks
Munir Fuady, author
Citra Aditya Bakti, 2005
Buku Teks
Johnson, Doyle Paul, author
Gramedia Pustaka Utama , 1986
Buku Teks
Malpas, Simon, author
Routledge, 2005
Buku Teks
Dam, G. H. K., author
Elex Media Komputindo, 1988
Buku Teks