Gaya APA

Zelazny, G. (1985). Say It With Charts: The Executive's Guide To Successful Presentations (Ed. 1). Homewood: Dow Jones-Irwin.

Gaya MLA

Zelazny, Gene. "Say It With Charts: The Executive's Guide To Successful Presentations". Ed. 1 Homewood: Dow Jones-Irwin, 1985. Text.