Brook-Hart, G., & Jakeman, V. (2012). Complete IELTS. Cambridge University Press.
Chicagoスタイル(17版)引用形式Brook-Hart, Guy, , Vanessa Jakeman. Complete IELTS. Cambridge: Cambridge University Press, 2012.
MLA(8版)引用形式Brook-Hart, Guy, , Vanessa Jakeman. Complete IELTS. Cambridge University Press, 2012.
警告: この引用は必ずしも正確ではありません.