APA引文

Guffey, M. E., & Mary Ellen Guffey; Carolyn M. Seefer. Business English. Mason, Ohio: Thomson/South-Western.

Trích dẫn kiểu Chicago

Guffey, 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.