O'Connell, S. (2000). Cambridge first certificate: Listening & Speaking. Cambridge: Cambridge University Press.
Trích dẫn kiểu ChicagoO'Connell, Sue. Cambridge First Certificate: Listening & Speaking. Cambridge: Cambridge University Press, 2000.
MLA引文O'Connell, Sue. Cambridge First Certificate: Listening & Speaking. Cambridge: Cambridge University Press, 2000.
警告：這些引文格式不一定是100％准確.