Gaya APA
Wells, William. (1989).
Advertising : principles and practice .
America:
Prentice-Hall, Inc.
Gaya Chicago
Wells, William.
Advertising : principles and practice.
America:
Prentice-Hall, Inc,
1989.
Text.
Gaya MLA
Wells, William.
Advertising : principles and practice.
America:
Prentice-Hall, Inc,
1989.
Text.
Gaya Turabian
Wells, William.
Advertising : principles and practice.
America:
Prentice-Hall, Inc,
1989.
Print.