Deismireacht APA

Haag, S. (2006). Information systems essentials. Boston: McGraw-Hill.

Trích dẫn kiểu Chicago

Haag, Stephen. Information Systems Essentials. Boston: McGraw-Hill, 2006.

Deismireacht MLA

Haag, Stephen. Information Systems Essentials. Boston: McGraw-Hill, 2006.

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