Gaya APA

Barabba, V, P., Zaltman, G. (1997). Hearing the Voice of the Market (Cet. 1). JAKARTA: GRAMEDIA PUSTAKA UTAMA.

Gaya MLA

Barabba, Vincent, P.., Zaltman, Gerald. "Hearing the Voice of the Market". Cet. 1 JAKARTA: GRAMEDIA PUSTAKA UTAMA, 1997. Text.