Richards, J. C. (2007). Tune in 3: Learning English through listening class CDs. New York: Oxford University Press.
استشهاد بنمط شيكاغوRichards, Jack C. Tune in 3: Learning English Through Listening Class CDs. New York: Oxford University Press, 2007.
MLA استشهادRichards, Jack C. Tune in 3: Learning English Through Listening Class CDs. New York: Oxford University Press, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.