Sukarno, author
Alumni, 1982
Buku Teks
G. Kartasapoetra, author
Rineka Cipta, 1991
Buku Teks
G. Kartasapoetra, author
Rineka Cipta, 1993
Buku Teks
Ramdlon Naning, author
Ghalia Indonesia, 1983
Buku Teks
Panjaitan, Yan Pieter, author
Universitas Indonesia, 1988
UI - Skripsi (Membership)