KOGENT LEARNING SOLUTION INC. (2011). EXCEL 2007 IN SIMPLE STEPS. DREAMTECH.
Chicago Style (17th ed.) CitationKOGENT LEARNING SOLUTION INC. EXCEL 2007 IN SIMPLE STEPS. NEW DELHI: DREAMTECH, 2011.
MLA引文KOGENT LEARNING SOLUTION INC. EXCEL 2007 IN SIMPLE STEPS. DREAMTECH, 2011.
警告:這些引文格式不一定是100%准確.