Gaya APA
Assauri, S.
(2013).
Strategi Marketing = sustaining lifetime customer value
(
ed. 1)
.
Jakarta:
Rajawali Pers.
Gaya MLA
Assauri, Sofjan.
"Strategi Marketing = sustaining lifetime customer value".
ed. 1
Jakarta:
Rajawali Pers,
2013.
Text.