Gaya APA

WURYANINGRUM,M.Pd., R, V, P, S. (2009). English for economics and busines . Jakarta: Mitra wacana media.

Gaya MLA

WURYANINGRUM,M.Pd., R.A, Vitria, Pawitrasari,S.S.,M.Pd/Rica, S,. "English for economics and busines". Jakarta: Mitra wacana media, 2009. BK.