Prathama Rahardja, 1952-, author
UI-Press, 2001
Buku Teks
Salvatore, Dominick, author
Erlangga, 1991
Buku Teks
Downs, Anthony, author
Harper and Row, 1975
Buku Teks
Hunt, Diana, author
Harvester Wheatsheaf, 1989
Buku Teks
Keiser, Norman F., author
John Wiley & Sons, 1960
Buku Teks