Dyfyniad APA

Cotton, D. (2012). Market leader: Intermediate business English course book (New edition.). Hà Nội: Văn hóa thông tin.

Dyfyniad Arddull Chicago

Cotton, David. Market Leader: Intermediate Business English Course Book. New edition. Hà Nội: Văn hóa thông tin, 2012.

Dyfyniad MLA

Cotton, David. Market Leader: Intermediate Business English Course Book. New edition. Hà Nội: Văn hóa thông tin, 2012.

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