Departemen Pertanian RI, 1985
Buku Teks
Longkutoy, John J., author
Mutiara Sumber Widya, 1989
Buku Teks
Kavanagh, John, author
Elex Media Komputindo, 1993
Buku Teks
Jogiyanto H.M. (Hartono M.), author
Andi , 1999
Buku Teks
Jogiyanto H.M. (Hartono M.), author
Andi, 2000
Buku Teks