Paul Roberts. (1999). Cambridge first certificate: Reading. Cambridge, UK: Cambridge Unversity Press.
シカゴスタイル引用形Paul Roberts. Cambridge First Certificate: Reading. Cambridge, UK: Cambridge Unversity Press, 1999.
MLA引用形式Paul Roberts. Cambridge First Certificate: Reading. Cambridge, UK: Cambridge Unversity Press, 1999.
警告: この引用は必ずしも正確ではありません.