Zelazny, G. (2013). Say it with charts: The executive's guide to visual communication (4th ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)Zelazny, Gene. Say It with Charts: The Executive's Guide to Visual Communication. 4th ed. New York: McGraw-Hill, 2013.
Cita MLA (8a ed.)Zelazny, Gene. Say It with Charts: The Executive's Guide to Visual Communication. 4th ed. McGraw-Hill, 2013.
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