Cotton, D., Falvey, D., & Kent, S. (2011). Market leader: Pre-intermediate business English course books. H.: Văn hoá-Thông tin.
シカゴスタイル引用形Cotton, David., David Falvey, , Simon Kent. Market Leader: Pre-intermediate Business English Course Books. H.: Văn hoá-Thông tin, 2011.
MLA引用形式Cotton, David., David Falvey, , Simon Kent. Market Leader: Pre-intermediate Business English Course Books. H.: Văn hoá-Thông tin, 2011.
警告: この引用は必ずしも正確ではありません.