Carnegie, Dale, 1888-1955
The Art of Public Speaking [electronic resource] / Dale Carnegie - Project Gutenberg, 2005 - Project Gutenberg 16317 .
Public domain in the USA.
Electronic text
Public speaking
PN
The Art of Public Speaking [electronic resource] / Dale Carnegie - Project Gutenberg, 2005 - Project Gutenberg 16317 .
Public domain in the USA.
Electronic text
Public speaking
PN