APA citiranje

Gregory, R. H. (1968). Bussiness data processing and programming. California: Wadworth Publishing.

Trích dẫn kiểu Chicago

Gregory, Robert H. Bussiness Data Processing and Programming. California: Wadworth Publishing, 1968.

MLA citiranje

Gregory, Robert H. Bussiness Data Processing and Programming. California: Wadworth Publishing, 1968.

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