Cita APA (7a ed.)

Zelazny, G., & Sakson, S. (2005). Say it with charts: Workbook (1st edition.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Zelazny, Gene, y Steve Sakson. Say It with Charts: Workbook. 1st edition. New York, NY: McGraw-Hill, 2005.

Cita MLA (9a ed.)

Zelazny, Gene, y Steve Sakson. Say It with Charts: Workbook. 1st edition. McGraw-Hill, 2005.