Paulus Wiyanto, author
Elex Media Komputindo, 1987
Buku Teks
Jogiyanto H.M. (Hartono M.), author
Andi, 1989
Buku Teks
F. Soesianto, author
Andi, 1986
Buku Teks
Hutty, Roger, author
Erlangga, 1988
Buku Teks
McCracken, Daniel D., author
John Wiley & Sons, 1974
Buku Referensi