by Ir. Sarjoni Basri $12.00
by Redaksi Rineka Cipta $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by Drs. G. Kartasapoetra., dkk $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $12.00
by Drs. Save M. Dagun $9.00