By Patsy M. Lightbown, Nina Spada, Lightbown, Patsy M., Spada, Nina
By Ronald V. White
By Holmes, Prof Janet
By Stern, H. H.
By Nesi, Hilary
By Chris Lutrario, Lisa Smith
By Spratt, Mary, Pulverness, Alan, Williams, Melanie
By Lowe, Susan
By Brook-Hart, Guy
By Julia Sander, Leonie Bennett
By Viney, Peter, Watson, Anne
By Rescek, Sanja
By University of Cambridge Local Examinations Syndicate
By Capel, Annette, Sharp, Wendy
By Heinle
By Mark Powell, Simon Clarke
By Wood, Ian
By Wood, Ian, Pile, Louise
By Stephenson, Helen
By Horner, David
By Bastow, Tania, Jones, Ceri
By Craven, Miles
By Tania Bastow, Ceri Jones, Bastow, Tania, Jones, Ceri
By Bowen, Mary, Ellis, Printha J
By Carol Read
By Fidge, Louis
By Moore, Julie
By Geoff Patton
By Cambridge ESOL