Guffey, M. E., & Mary Ellen Guffey; Carolyn M. Seefer. Business English. Mason, Ohio: Thomson/South-Western.
Trích dẫn kiểu ChicagoGuffey, Mary Ellen, và Mary Ellen Guffey; Carolyn M. Seefer. Business English. Mason, Ohio: Thomson/South-Western.
MLA引文Guffey, Mary Ellen, và Mary Ellen Guffey; Carolyn M. Seefer. Business English. Mason, Ohio: Thomson/South-Western.
警告:這些引文格式不一定是100%准確.