Gaya APA
Assauri, S. (2013).
Strategic Marketing : sustaining lifetime customer value (ed.1 cet, 2).
jakarta:
Rajawali Pers.
Gaya MLA
Assauri, Sofjan.
"Strategic Marketing : sustaining lifetime customer value".
ed.1 cet, 2
jakarta:
Rajawali Pers,
2013.
MM.