Dyfyniad APA

Poppel, H. (1987). Information technology: The Trillion- dollar opportunity. New York: McGraw- Hill Book Company.

Dyfyniad Arddull Chicago

Poppel, Harvey. Information Technology: The Trillion- Dollar Opportunity. New York: McGraw- Hill Book Company, 1987.

Dyfyniad MLA

Poppel, Harvey. Information Technology: The Trillion- Dollar Opportunity. New York: McGraw- Hill Book Company, 1987.

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