APA aipamena

(2006). Downtown 3: English for work and life. Boston, MA: Thomson/Heinle.

Chicago Style aipamena

Downtown 3: English for Work and Life. Boston, MA: Thomson/Heinle, 2006.

MLA aipamena

Downtown 3: English for Work and Life. Boston, MA: Thomson/Heinle, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.