Gaya APA

Ries, A. (2002). Positioning : The Battle For Your Mind (Edisi 1 ; Jilid 1). Jakarta: Salemba Empat.

Gaya MLA

Ries, Al. "Positioning : The Battle For Your Mind". Edisi 1 ; Jilid 1 Jakarta: Salemba Empat, 2002. Text.