by - $12.00
by Prof. Dr. Syahrin Harahap MA (Ed) $6.00
by A. Setiadi, S.H. $6.00
by Erman Rajagukguk, S.H $6.00
by Dennis J. Cahill $9.00
by Lawrence M. Friedman (diterjemahkan oleh: Wishnu Basuki) $16.00