Zain Badjeber, author
Lembaga Pangkajian MPR RI, 2018
Artikel Jurnal
R. Susanto, author
Pradnya Paramita, 1983
Buku Teks
Limbong, Bernhard, author
Margaretha Pustaka , 2012
Buku Teks
Adelina Haratua, author
2017
UI - Skripsi (Membership)
Muhammad Bakri, author
Universitas Brawijaya Press, 2011
Buku Teks