Gaya APA

Ries, A., Trout, J. (2002). Positioning: The Battle for Your Mind (Cet.1-Ed.1). Jakarta_: Salemba Empat _2.

Gaya MLA

Ries, Al., Trout, Jack. "Positioning: The Battle for Your Mind". Cet.1-Ed.1 Jakarta_: Salemba Empat _2, 2002. Buku Teks.