APA Style
Decker, B.
(1989).
How to communicate effectively / Bert Decker
(
1)
.
London:
Kogan Page.
MLA Style
Decker, Bert.
"How to communicate effectively / Bert Decker".
1
London:
Kogan Page,
1989.
Textbook ห้องสมุดทั่วไป.