by Soejono, S.H., M.H $7.00
by MarkPlus & Co - Hermawan Wijaya $20.00
by Kak Seto (Kata Pengantar) $9.00
by Prof. Dr. Sondang P. Siagian, M.P.A $11.00
by Drs. Sudarsono, S.H., M.Si, dkk $9.00
by ML. Stein $6.00