Gaya APA

Duarte, N. (2012). HBR Guide to Persuasive Presentations (HBR Guide Series) . United States of America: Harvard bussines Reiew Pres.

Gaya MLA

Duarte, Nancy. "HBR Guide to Persuasive Presentations (HBR Guide Series)". United States of America: Harvard bussines Reiew Pres, 2012. Text.