by Prof. Purnadi Purbacaraka, S,H. & Prof. Dr. Soerjono Soekanto, S.H., M.A. $3.00
by Jazim Hamidi & Budiman N.P.D. Sinaga $7.00
by M. Nur Rasaid, S.H. $6.00
by Bachsan Mustafa, S.H. $3.00
by $6.00
by Prof. Mr. Dr. Sudargo Gautama $8.00