Harrison, M. (2012). Complete IELTS: Bands 5-6.5 : Workbook with Answers. Cambridge University Press.
Chicagoスタイル(17版)引用形式Harrison, Mark. Complete IELTS: Bands 5-6.5 : Workbook with Answers. Cambridge: Cambridge University Press, 2012.
MLA(8版)引用形式Harrison, Mark. Complete IELTS: Bands 5-6.5 : Workbook with Answers. Cambridge University Press, 2012.
警告: この引用は必ずしも正確ではありません.