(2007). cambridge ielts 4: Examination papers from university of Cambridge ESOL examinations: English for speakers of other languages. New York: Cambridge.
シカゴスタイル引用形Cambridge Ielts 4: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. New York: Cambridge, 2007.
MLA引用形式Cambridge Ielts 4: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. New York: Cambridge, 2007.
警告: この引用は必ずしも正確ではありません.