Cotton, D., & David Cotton; David Falvey; Simon Kent. (2012). Market leader: Intermediate business english course book. Hà Nội: Văn hóa Thông tin.
シカゴスタイル引用形Cotton, David, , David Cotton; David Falvey; Simon Kent. Market Leader: Intermediate Business English Course Book. Hà Nội: Văn hóa Thông tin, 2012.
MLA引用形式Cotton, David, , David Cotton; David Falvey; Simon Kent. Market Leader: Intermediate Business English Course Book. Hà Nội: Văn hóa Thông tin, 2012.
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