Gaya APA

Chapman, J., McBride, E, J. (2006). DOWNTOWN 3 : English for Work and LIfe WORKBOOK (III-WB). united states of america: Thomson Heinle.

Gaya MLA

Chapman, John., McBride, Edward, J.. "DOWNTOWN 3 : English for Work and LIfe WORKBOOK". III-WB united states of america: Thomson Heinle, 2006. Text.