Gaya APA

Wuryaningrum, R, A, V, P, R, S. (2009). English for economics and business (book a : reading, writing, and grammar) . Jakarta: Mitra Wacana Media.

Gaya MLA

Wuryaningrum, R., A., Vitria, Pawitrasari,, Rica, S.. "English for economics and business (book a : reading, writing, and grammar)". Jakarta: Mitra Wacana Media, 2009. Text.