Andi Hamzah, author
Pradnya Paramita, 1987
Buku Teks
Andi Hamzah, author
Pradnya Paramita, 1992
Buku Teks
Hutapea, Mangontua Parningotan, author
1987
UI - Skripsi (Membership)
Universitas Indonesia, 1985
UI - Skripsi (Membership)
Gunawan Wibisono, author
1998
UI - Tesis (Membership)