Gaya APA
Assauri, S. (2013).
Strategic Marketing; Sustaining Lifetime Customer Value .
Jakarta:
PT. Raja Grafindo Persada.
Gaya MLA
Assauri, Sofjan.
"Strategic Marketing; Sustaining Lifetime Customer Value".
Jakarta:
PT. Raja Grafindo Persada,
2013.
FE-Manajemen.