Cotton, D., Falvey, D., & Kent, S. (2011). Market leader: Intermediate business English course book =. H.: Văn hoá-Thông tin.
Παραπομπή Chicago StyleCotton, David., David Falvey, και Simon Kent. Market Leader: Intermediate Business English Course Book =. H.: Văn hoá-Thông tin, 2011.
Παραπομπή MLACotton, David., David Falvey, και Simon Kent. Market Leader: Intermediate Business English Course Book =. H.: Văn hoá-Thông tin, 2011.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.