Allen, M. (2007). IELTS graduation: Student's book. Oxford, UK: Macmillan publisher limited.
シカゴスタイル引用形Allen, Mark. IELTS Graduation: Student's Book. Oxford, UK: Macmillan publisher limited, 2007.
MLA引用形式Allen, Mark. IELTS Graduation: Student's Book. Oxford, UK: Macmillan publisher limited, 2007.
警告: この引用は必ずしも正確ではありません.