by Bill Cosby $11.00
by Richard G. Lipsey & Peter O. Steiner $16.00
by Dewi Fortuna Anwar, Helena Bouvier, Glenn Smith $13.00
by Prof. Dr. S. Nasution, M.A. $9.00
by Drs. Thomas Suyatno, dkk $11.00
by Jakob Oetama $7.00