(2002). Cambridge BEC preliminary: Practice test from the university of Cambridge local examinations syndicate. Cambridge: Cambridge University Press.
استشهاد بنمط شيكاغوCambridge BEC Preliminary: Practice Test From the University of Cambridge Local Examinations Syndicate. Cambridge: Cambridge University Press, 2002.
MLA استشهادCambridge BEC Preliminary: Practice Test From the University of Cambridge Local Examinations Syndicate. Cambridge: Cambridge University Press, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.