by Prof. DR. Soerjono Soekanto, S.H., M.A., dkk $6.00
by Prof. Dr. Sondang P. Siagian, M.P.A $7.00
by Hasan Shadily, M.A $12.00
by Drs. Zulkifli Amsyah, MLS $13.00
by Prof. J. Suprapto, M.A. APU $16.00
by Maurice Duverger/Alfian $12.00
by Louise L. Hay $6.00
by Tony Buzan $7.00