Gaya APA
WILLSMER, Ray L.. (1975).
Directing the marketing effort .
London:
Pan Books.
Gaya Chicago
WILLSMER, Ray L..
Directing the marketing effort.
London:
Pan Books,
1975.
Text.
Gaya MLA
WILLSMER, Ray L..
Directing the marketing effort.
London:
Pan Books,
1975.
Text.
Gaya Turabian
WILLSMER, Ray L..
Directing the marketing effort.
London:
Pan Books,
1975.
Print.