Gaya APA

Cheverton, P. (2003). How come you can't identify your key customers? : Kiat sukses seleksi pelanggan paling berpotensi . Jakarta: Elex Media Komputindo.

Gaya MLA

Cheverton, Peter. "How come you can't identify your key customers? : Kiat sukses seleksi pelanggan paling berpotensi". Jakarta: Elex Media Komputindo, 2003. Text.