by Prof. Dr. Soerjono Soekanto, S.H., M.A. & Prof. Purnadi Purbacaraka, S.H.
$3.00

by Prof. Dr. C.S.T Kansil & S.T Kansil Christine , S.H
$8.00

by
$6.00

by Suhrawardi K. Lubis, S. H.
$11.00

by R. Zein, S.H., M.S
$7.00

by Ramlan Ginting
$8.00