Cotton, D. (2012). Market leader: Intermediate business English course book (New edition.). Hà Nội: Văn hóa thông tin.
Čikaški stil citiranjaCotton, David. Market Leader: Intermediate Business English Course Book. New edition. Hà Nội: Văn hóa thông tin, 2012.
MLA način citiranjaCotton, David. Market Leader: Intermediate Business English Course Book. New edition. Hà Nội: Văn hóa thông tin, 2012.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.