Gaya APA

Guffey, M, E., Patricia, I, R, K, I, R. (2005). Business communication: process & product 2 = komunikasi bisnis: proses & produk 2 . Jakarta: Jakarta: Salemba Empat, 2005.

Gaya MLA

Guffey, Mary, Ellen., Patricia, I., Rhodes,, Kathleen, II., Rogin,. "Business communication: process & product 2 = komunikasi bisnis: proses & produk 2". Jakarta: Jakarta: Salemba Empat, 2005, 2005. Text.