APA ציטוט

John Baldoni. (2003). Great communication secrets of great leaders. New York, NY: McGraw-Hill.

Trích dẫn kiểu Chicago

John Baldoni. Great Communication Secrets of Great Leaders. New York, NY: McGraw-Hill, 2003.

ציטוט MLA

John Baldoni. Great Communication Secrets of Great Leaders. New York, NY: McGraw-Hill, 2003.