Alumni, 1999
Buku Teks
Saragi, Eva Mayasari, author
Universitas Indonesia, 1998
UI - Skripsi (Membership)
Mohd. Burhan Tsani, author
Liberty, 1990
Buku Teks
Sudargo Gautama, author
Citra Aditya Bakti, 1994
Buku Teks
Universitas Indonesia, 1995
UI - Skripsi (Membership)