Richards, J. C. (1998). New interchange: English for international communication : Teacher's edition. Cambridge: Cambridge University Press.
استشهاد بنمط شيكاغوRichards, Jack C. New Interchange: English for International Communication : Teacher's Edition. Cambridge: Cambridge University Press, 1998.
MLA استشهادRichards, Jack C. New Interchange: English for International Communication : Teacher's Edition. Cambridge: Cambridge University Press, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.