Gaya APA

Bott, R, G, A. (2007). The Must- Have Customer : 7 Taktik Jitu Merebut Hati Pelanggan Idaman Anda . Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Bott, Robert, Gordman;, Armin. "The Must- Have Customer : 7 Taktik Jitu Merebut Hati Pelanggan Idaman Anda". Jakarta: Gramedia Pustaka Utama, 2007. Text.