Gaya APA
Harbert S. Gardner, Jr. (1988).
The Advertising Agency Business .
United States of America:
NTC Business Book.
Gaya Chicago
Harbert S. Gardner, Jr.
The Advertising Agency Business.
United States of America:
NTC Business Book,
1988.
Text.
Gaya MLA
Harbert S. Gardner, Jr.
The Advertising Agency Business.
United States of America:
NTC Business Book,
1988.
Text.
Gaya Turabian
Harbert S. Gardner, Jr.
The Advertising Agency Business.
United States of America:
NTC Business Book,
1988.
Print.