Lucas, Stephen E.
The art of public speaking
New York : McGraw-Hill, 1995,
Buku Teks
Lucas, Stephen E.
The art of public speaking
McGraw-Hill , 2004
Buku Teks
Lucas, Stephen E.
The art of public speaking
McGraw-Hill, 1989
Buku Teks
Lucas, Stephen E.
The art of public speaking
McGraw-Hill, 2012
Buku Teks
Lucas, Stephen E
The Art of Public Speaking
McGrawHill, 2020
Buku Teks