Sudargo Gautama, author
Alumni, 1986
Buku Teks
Ahmadi Miru, author
RajaGrafindo Persada, 2005
Buku Teks
Harahap, M. Yahya, author
Citra Aditya Bakti, 1996
Buku Teks
Universitas Indonesia, 1995
UI - Skripsi (Membership)
Universitas Indonesia, 1990
UI - Skripsi (Membership)