by Prof. Dr. Soerjono Soekanto, S.H., M.A. & Prof. Purnadi Purbacaraka, S.H. $3.00
by $9.00
by M. Yahya Harahap, S. H. $20.00
by Drs. H. Chaeruman Pasaribu $7.00
by Drs. Rusyadi., dkk $28.00
by - $18.00
by R. Soegeng $16.00