penyunting, John Pieris
Pustaka Sinar Harapan, 1988
Buku Teks
Sirait, Benry, author
Program Pascasarjana Universitas Indonesia, 2005
UI - Tesis (Membership)
penyunting, Prijono Tjiptoherijanto ; kata pengantar, Moh. Sadli
LPFE-UI, 1987
Buku Teks
Soroy Lardo, author
University of Indonesia, Faculty of Humanities, 2020
Artikel Jurnal
Editor Artidjo Alkostar, M. Sholeh Amin
Rajawali, 1986
Buku Teks