Haines, S. (2000). Landmark: Workbook with key. Oxford, UK: Oxford University Press.
Chicago Style aipamenaHaines, Simon. Landmark: Workbook With Key. Oxford, UK: Oxford University Press, 2000.
MLA aipamenaHaines, Simon. Landmark: Workbook With Key. Oxford, UK: Oxford University Press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.