(2001). Common European framework of reference for languages: Learning, teaching, assessment. United Kingdom: Cambridge University Press.
Styl cytowania ChicagoCommon European Framework of Reference for Languages: Learning, Teaching, Assessment. United Kingdom: Cambridge University Press, 2001.
Styl cytowania MLACommon European Framework of Reference for Languages: Learning, Teaching, Assessment. United Kingdom: Cambridge University Press, 2001.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..