Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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