Gaya APA
Wretlind, D. (1995).
Effective marketing communication : the secrets of success .
Singapore:
S.S. Mubaruk & Brothers Pte Ltd..
Gaya MLA
Wretlind, Dale.
"Effective marketing communication : the secrets of success".
Singapore:
S.S. Mubaruk & Brothers Pte Ltd.,
1995.
BUKU.