Gaya APA
Marketing. (1982).
Canada:
Little Brown And Company.
Gaya Chicago
Marketing.
Cet.2.
Canada:
Little Brown And Company,
1982.
.
Gaya MLA
Marketing.
Cet.2.
Canada:
Little Brown And Company,
1982.
.
Gaya Turabian
Marketing.
Canada:
Little Brown And Company,
1982.
.