Cita APA (7a ed.)

KOGENT LEARNING SOLUTION INC. (2011). EXCEL 2007 IN SIMPLE STEPS. DREAMTECH.

Cita Chicago Style (17a ed.)

KOGENT LEARNING SOLUTION INC. EXCEL 2007 IN SIMPLE STEPS. NEW DELHI: DREAMTECH, 2011.

Cita MLA (9a ed.)

KOGENT LEARNING SOLUTION INC. EXCEL 2007 IN SIMPLE STEPS. DREAMTECH, 2011.