by Prof. DR. Taliziduhu Ndraha $7.00
by Prof. Drs. H.A.W. Widjaja $7.00
by Harry Simons $12.00
by Prof. Mr. Roeslan Saleh $7.00
by Redaksi Rineka Cipta $6.00
by Erman Rajagukguk, S.H $6.00