APA (7th ed.) Zitazioa
Introduction to systems analysis and design / Hawayszkiewyez,Igor: PHI 4th (4th ed.).
Chicago Style (17th ed.) Zitazioa
Introduction to Systems Analysis and Design / Hawayszkiewyez,Igor: PHI 4th. 4th ed.
MLA (9th ed.) Zitazioa
Introduction to Systems Analysis and Design / Hawayszkiewyez,Igor: PHI 4th. 4th ed.
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