Gaya APA

Sofjan, A. (2012). STRATEGIC MARKETING Sustaining Lifetime Value (EDISI 1). JAKARTA: PT. RajaGrafindo Persada.

Gaya MLA

Sofjan, Assauri. "STRATEGIC MARKETING Sustaining Lifetime Value". EDISI 1 JAKARTA: PT. RajaGrafindo Persada, 2012. Text.