Gaya APA

Dahana, K. (2016). Grow your sales! wow your service! (Cet. 1). Bandung: Gramedia Pustaka Utama.

Gaya MLA

Dahana, Kres. "Grow your sales! wow your service!". Cet. 1 Bandung: Gramedia Pustaka Utama, 2016. Text.