Jakeman, V., & McDowell, C. (2008). New insight into IELTS: Student's book with answers. Cambridge University Press.
Chicagoスタイル(17版)引用形式Jakeman, Vanessa, , Clare McDowell. New Insight into IELTS: Student's Book with Answers. Cambridge ; New Delhi: Cambridge University Press, 2008.
MLA(8版)引用形式Jakeman, Vanessa, , Clare McDowell. New Insight into IELTS: Student's Book with Answers. Cambridge University Press, 2008.
警告: この引用は必ずしも正確ではありません.