Klitgaard, Robert
Yayasan Obor Indonesia, 1998
Buku Teks
editor, Pramono U. Tanthowi
Pusat Studi Agama dan Peradaban Muhammadiyah, 2005
Buku Teks
KPK
KPK, 2006
Buku Teks
Jellow, Tahar Ben
Serambi Ilmu Senesta, 2010
Buku Teks
[publisher not identified], [date of publication not identified]
Buku Teks