APA aipamena

Richards, J. C. (1993). English for International Communication: Workbook ( Interchange). Cambridge: Cambridge University.

Chicago Style aipamena

Richards, Jack C. English for International Communication: Workbook ( Interchange). Cambridge: Cambridge University, 1993.

MLA aipamena

Richards, Jack C. English for International Communication: Workbook ( Interchange). Cambridge: Cambridge University, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.