APA استشهاد

Zelazny, G., & Roche, S. S. (2007). say it with charts complete toolkit. Tata McGraw-Hill.

استشهاد بنمط شيكاغو

Zelazny, Gene, و Sara Sakson Roche. Say It with Charts Complete Toolkit. New Delhi: Tata McGraw-Hill, 2007.

MLA استشهاد

Zelazny, Gene, و Sara Sakson Roche. Say It with Charts Complete Toolkit. Tata McGraw-Hill, 2007.