Rika Feronika, author
2014
UI - Skripsi (Membership)
translated by Jerzy A. Baldyga
Arkady, 1988
Buku Referensi
Ciborowski, Adolf
Polonia Publishing House, 1958
Buku Teks
Fauzan Raedy, author
Fakultas Ilmu Administrasi Universitas Indonesia, 2014
UI - Skripsi (Membership)
Universitas Indonesia, 2011
UI - Skripsi (Open)