Penggayaan APA
COHEN, William A.. (1998).
The marketing plan (Ed. 2).
New York:
John Wiley & Sons.
Chicago Style
COHEN, William A..
The marketing plan.
Ed. 2
New York:
John Wiley & Sons,
1998.
Buku.
MLA Style
COHEN, William A..
The marketing plan.
Ed. 2
New York:
John Wiley & Sons,
1998.
Buku.
Turabian Style
COHEN, William A..
The marketing plan.
Ed. 2
New York:
John Wiley & Sons,
1998.
Buku.