APA Style
Powers, J, H. (1987).
Public Speaking : The lively art / John H. Powers (1).
Belmont, CA.:
Wadsworth.
MLA Style
Powers, John, H..
"Public Speaking : The lively art / John H. Powers".
1
Belmont, CA.:
Wadsworth,
1987.
Textbook ห้องสมุดทั่วไป.