Aliberto Caforio
Adam Feather
Rôzni autori (editori)
I. M. Speaking
Lynnie Lang
Met Test Success Associates
Academic Success Group
Debbie Chalmers
Plaute
Mary Cassette
Jane Turner
Oxenden⁄Latham-Koenig
Malcolm Mann
Steven W. Raasumaa
Generuje redakčný systém BUXUS CMS spoločnosti ui42.