by Richard Burton Simatupang, S.H $12.00
by Harun M. Husein, S.H $11.00
by Pandji Anoraga, S.E., M.M $13.00
by Dr. Ir. Supli Effendi $7.00
by Ny. Susmayati, B.A dan Ny. Hj. Asnidar $7.00
by Drs. Sudiyo $7.00
by Jerry Hoff (diterjemhkan oleh: Kartini Muljadi) $16.00
by Drs. H. Ahmad Wardi Muslich $11.00