APA Style
POWERS, John H. (1987).
Public Speaking .
California:
Wadsworth Publishing Company.
Chicago Style
POWERS, John H.
Public Speaking.
California:
Wadsworth Publishing Company,
1987.
.
MLA Style
POWERS, John H.
Public Speaking.
California:
Wadsworth Publishing Company,
1987.
.
Turabian Style
POWERS, John H.
Public Speaking.
California:
Wadsworth Publishing Company,
1987.
.