Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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