Gaya APA
GROSS, Martin. (1989).
The direct marketer's idea book .
New York:
Amacom.
Gaya Chicago
GROSS, Martin.
The direct marketer's idea book.
New York:
Amacom,
1989.
Text.
Gaya MLA
GROSS, Martin.
The direct marketer's idea book.
New York:
Amacom,
1989.
Text.
Gaya Turabian
GROSS, Martin.
The direct marketer's idea book.
New York:
Amacom,
1989.
Print.