by Donald J. Bawersok $12.00
by Radiks Purba $13.00
by Drs. Heryando Palar $7.00
by Howard Schultz $13.00
by Drs. G. Kartasapoetra $7.00
by Redaksi (Penghimpun) $7.00
by Dr. Sofyan Syafri Harahap, M.S,Ac $12.00