Gaya APA

MBA, P, D, S, A. (2012). Strategic Marketing Sustaining Lifetime Customer Value (ed. 1). : PT RajaGrafindo Persada.

Gaya MLA

MBA, Prof., Dr., Sofjan, Assauri. "Strategic Marketing Sustaining Lifetime Customer Value". ed. 1 : PT RajaGrafindo Persada, 2012. Text.