Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.