Jakeman, V., & McDowell, C. (2003). Insight into IELTS extra with answers. Cambridge: Cambridge University Press.
シカゴスタイル引用形Jakeman, Vanessa., , Clare McDowell. Insight Into IELTS Extra With Answers. Cambridge: Cambridge University Press, 2003.
MLA引用形式Jakeman, Vanessa., , Clare McDowell. Insight Into IELTS Extra With Answers. Cambridge: Cambridge University Press, 2003.
警告: この引用は必ずしも正確ではありません.