Douglas Biber,Stig Johansson,Geoffrey N. Leech,Susan Conrad,Edward Finegan
(1)
Geoffrey N. Leech (EDT)/ Paul Rayson (EDT)/ Tony McEnery (EDT)/ Andrew Wilson (EDT)
(1)
Geoffrey N. Leech/ Jan Svartvik
(1)
Geoffrey N. Leech/ Margaret Deuchar/ Robert Hoogenraad
(1)
Jan Svartvik/ Geoffrey N. Leech
(1)