Gaya APA
barabba, V, P., zaltman, G. (1997).
hearing the voice of the market (1).
Jakarta:
PT GRAMEDIA PUSTAKA UTAMA.
Gaya MLA
barabba, Vincent, P.., zaltman, Gerald.
"hearing the voice of the market".
1
Jakarta:
PT GRAMEDIA PUSTAKA UTAMA,
1997.
Text.