Kahn, G. (1966). Business data processing: Basic principles and applications, a brief introductory course. McGraw-Hill.
Chicago-viite (17. p.)Kahn, Gilbert. Business Data Processing: Basic Principles and Applications, a Brief Introductory Course. New York: McGraw-Hill, 1966.
MLA-viite (9. p.)Kahn, Gilbert. Business Data Processing: Basic Principles and Applications, a Brief Introductory Course. McGraw-Hill, 1966.
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