Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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