Gaya APA
Elgin, S, H.
(1989).
The Gentle Art Of Verbal Self-Defense For Business Success
.
Paramus:
Prentice Hall.
Gaya MLA
Elgin, Suzette, Haden.
"The Gentle Art Of Verbal Self-Defense For Business Success".
Paramus:
Prentice Hall,
1989.
Text.