by Tierney $18.00
by Tanenbaum $16.00
by Thabrani $11.00
by WK $12.00
by $7.00
by Prof. Purnadi Purbacaraka, S,H. & Prof. Dr. Soerjono Soekanto, S.H., M.A. $3.00
by Fajar Arifin Gunawan & Elna Kartawiguna $10.00