Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2011
UI - Skripsi (Open)
Zamroni, author
Bigraf Publishing, 2001
Buku Teks
Meyer, Thomas, author
Friedrich-Ebert-Stiftung, 2002
Buku Teks
Schulz, Ernest B
[publisher not identified], 1956
Buku Teks
Arblaster, Anthony, author
Open University Press, 1987
Buku Teks