Bethell, G., & Aspinall, T. (2003). Test your business vocabulary in use. Cambridge: Cambridge University Press.
シカゴスタイル引用形Bethell, George., , Tricia Aspinall. Test Your Business Vocabulary in Use. Cambridge: Cambridge University Press, 2003.
MLA引用形式Bethell, George., , Tricia Aspinall. Test Your Business Vocabulary in Use. 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.