Haag, S., & Perry, J. T. (2004). Microsoft Office Excel 2003: Brief. Boston: McGraw-Hill/Technology Education.
Trích dẫn kiểu ChicagoHaag, Stephen., và James T. Perry. Microsoft Office Excel 2003: Brief. Boston: McGraw-Hill/Technology Education, 2004.
Deismireacht MLAHaag, Stephen., và James T. Perry. Microsoft Office Excel 2003: Brief. Boston: McGraw-Hill/Technology Education, 2004.
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