Awad, E. M. (1982). Business data processing (5th ed.). Prentice-Hall National Book Store.
Chicago Style aipamenaAwad, Elias M. Business Data Processing. 5th ed. Englewood Cliffs, N.J., Manila: Prentice-Hall National Book Store, 1982.
MLA aipamenaAwad, Elias M. Business Data Processing. 5th ed. Prentice-Hall National Book Store, 1982.
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