Conway, D., & Shirreffs, B. (2003). On course for IELTS: Student's book. Oxford: Oxford Univ. Press.
シカゴスタイル引用形Conway, Darren, , Brett Shirreffs. On Course for IELTS: Student's Book. Oxford: Oxford Univ. Press, 2003.
MLA引用形式Conway, Darren, , Brett Shirreffs. On Course for IELTS: Student's Book. Oxford: Oxford Univ. Press, 2003.
警告: この引用は必ずしも正確ではありません.