000 Karya Umum & Komputer

McGraw-Hill Encyclopedia Of Science and Technology 5: ENT-FUS

Encyclopedia Britannica Macropedia Knowledge in Depth 17 : Sonar - Tax Law

McGraw-Hill Encyclopedia Of Science and Technology 4: DAC-ENS

Encyclopedia Britannica Macropedia Knowledge in Depth 18 : Taylor - Utah

McGraw-Hill Encyclopedia Of Science and Technology 3: CHA CYT

Encyclopedia Britannica Propaedia Outline of Knowledge

McGraw-Hill Encyclopedia Of Science and Technology 2: BAB-CET

Encyclopedia Britannica Macropedia Knowledge in Depth 19 : Utilitarianism - Zwingli

McGraw-Hill Encyclopedia Of Science and Technology 1: ABA-AZU

Collier's Encyclopedia 24: Bibliography - Index