Gaya APA
Assuri, S.
(2012).
Strategic Marketing: Sustaining life time customer nalue
(
1)
.
Jakarta:
Rajawali Pers.
Gaya MLA
Assuri, Sofjan.
"Strategic Marketing: Sustaining life time customer nalue".
1
Jakarta:
Rajawali Pers,
2012.
Buku.