APA aipamena

Newman, C. M. (2003). Contemporary english (Second edition.). USA: McGraw-Hill.

Chicago Style aipamena

Newman, Christy M. Contemporary English. Second edition. USA: McGraw-Hill, 2003.

MLA aipamena

Newman, Christy M. Contemporary English. Second edition. USA: McGraw-Hill, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.