by Leden Marpaung, S.H. $9.00
by Tim Redaksi Tatanusa $12.00
by $6.00
by Prof. DR. A.P. Parlindungan, SH. $7.00
by $7.00
by DR. Andi Hamzah, S.H $11.00
by Prof. Dr. H. Zainuddin Ali M. A. $7.00