APA引用形式

Alex Tilbury. (2011). English unlimited. B2, Upper Intermediate Coursebook with e-Portfolio. Cambridge: Cambridge University Press.

シカゴスタイル引用形

Alex Tilbury. English Unlimited. B2, Upper Intermediate Coursebook With E-Portfolio. Cambridge: Cambridge University Press, 2011.

MLA引用形式

Alex Tilbury. English Unlimited. B2, Upper Intermediate Coursebook With E-Portfolio. Cambridge: Cambridge University Press, 2011.

警告: この引用は必ずしも正確ではありません.