Cita APA (7a ed.)

Zelazny, G. (2005). Say it with charts workbook. McGraw-Hill.

Cita Chicago Style (17a ed.)

Zelazny, Gene. Say It with Charts Workbook. New York: McGraw-Hill, 2005.

Cita MLA (8a ed.)

Zelazny, Gene. Say It with Charts Workbook. McGraw-Hill, 2005.