Gaya APA
RICHORDSON, John E.. (1999).
Marketing .
America:
McGaw Hill.
Gaya Chicago
RICHORDSON, John E..
Marketing.
America:
McGaw Hill,
1999.
BUKU.
Gaya MLA
RICHORDSON, John E..
Marketing.
America:
McGaw Hill,
1999.
BUKU.
Gaya Turabian
RICHORDSON, John E..
Marketing.
America:
McGaw Hill,
1999.
BUKU.