APA (7th ed.) Zitazioa
Clifton, H. D. (1972). Systems analysis for business data processing (2nd ed.). Business Books.
Chicago Style (17th ed.) Zitazioa
Clifton, H. D. Systems Analysis for Business Data Processing. 2nd ed. London: Business Books, 1972.
MLA (9th ed.) Zitazioa
Clifton, H. D. Systems Analysis for Business Data Processing. 2nd ed. Business Books, 1972.
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