(2002). Cambridge BEC Preliminary (self-study): Practice tests from the University of Cambridge Local Examination Syndicate. Cambridge, UK: Cambridge Univ. Press.
استشهاد بنمط شيكاغوCambridge BEC Preliminary (self-study): Practice Tests From the University of Cambridge Local Examination Syndicate. Cambridge, UK: Cambridge Univ. Press, 2002.
MLA استشهادCambridge BEC Preliminary (self-study): Practice Tests From the University of Cambridge Local Examination Syndicate. Cambridge, UK: Cambridge Univ. Press, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.