Ian Chandra K., author
Elex Media Komputindo, 1990
Buku Teks
Durr, Michael, author
Erlangga, 1991
Buku Teks
Erskine, Robert, author
Elex Media Komputindo, 1987
Buku Teks
Universitas Indonesia, 1994
UI - Skripsi (Membership)
Universitas Indonesia, 1997
UI - Skripsi (Membership)