Gaya APA
Cohen, William A. (1987).
Developing a winning marketing plan .
New York:
John Wiley.
Gaya Chicago
Cohen, William A.
Developing a winning marketing plan.
New York:
John Wiley,
1987.
Buku.
Gaya MLA
Cohen, William A.
Developing a winning marketing plan.
New York:
John Wiley,
1987.
Buku.
Gaya Turabian
Cohen, William A.
Developing a winning marketing plan.
New York:
John Wiley,
1987.
Buku.