Nolasco, R. (1990). WOW! Window on the world: Workbook 1. Oxford: Oxford University Press.
Chicago Style aipamenaNolasco, Rob. WOW! Window On the World: Workbook 1. Oxford: Oxford University Press, 1990.
MLA aipamenaNolasco, Rob. WOW! Window On the World: Workbook 1. Oxford: Oxford University Press, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.