Agnes, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1995
UI - Tesis (Membership)
Higgins, Robert C., author
Indira, 1989
Buku Teks
Elex Media Komputindo, 1994
Buku Teks
Suad Husnan, author
AMP YKPN, 1994
Buku Teks
Suad Husnan, author
AMP YKPN, 1996
Buku Teks