by Prof. Dr. Husaini Usman, M.Pd dan R. Purnomo Setiady Akbar, S.Pd., M.Pd $6.00
by Turban, Rainer $26.00
by Dr. Zakiah Daradjat, dkk $11.00
by WK $13.00
by Stallings $18.00
by Raldi Artono $18.00
by Prof. DR. Soedjono Dirdjosisworo, SH. $5.00
by Leden Marpaung, S. H. $7.00