Cotton, D., Falvey, D., & Kent, S. (2011). Market leader : Pre-Intermediate business English =: Giáo trình tiếng Anh thương mại. H.: Văn hoá-Thông tin.
শিকাগো স্টাইলে সাইটেশনCotton, David., David Falvey, এবং Simon Kent. Market Leader : Pre-Intermediate Business English =: Giáo Trình Tiếng Anh Thương Mại. H.: Văn hoá-Thông tin, 2011.
এমএলএ সাইটেশনCotton, David., David Falvey, এবং Simon Kent. Market Leader : Pre-Intermediate Business English =: Giáo Trình Tiếng Anh Thương Mại. H.: Văn hoá-Thông tin, 2011.
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