by Prof. Dr. Husaini Usman, M.Pd & R. Purnomo Setiady Akbar, S.Pd., M.Pd $11.00
by Fredy Rangkuti $11.00
by Vincent Gaspersz $7.00
by Drs. Inu Kencana Syafiie $7.00
by Redaksi Rineka Cipta $9.00
by S.R. Parker, dkk $9.00