By Catford, J.C.
By Ashby, Patricia
By A. C. Gimson
By Jespersen, Otto
By Wells, J. C.
By Jay, Alison
By Wendon, Lyn
By Wernham, Sara, Lloyd, Sue, Stephen, Lib
By Craig, Bobbie, Illustrated by Craig
By DK
By Ladybird
By Anita Warwick, John Jackman
By Kindersley, Lida
By Hall, Nancy, Price, Rena
By Peter Ladefoged
By D. Walter
By Richard D. Cureton
By Heddle, Becca, Collins Big Cat
By Clare Helen Welsh, Sarah DeMonteverde, Collins Big Cat
By Dale, Katie, Zolotic, Aleksandar, Collins Big Cat
By Hawys Morgan, Collins Big Cat
By James Perrin Warren
By Karra McFarlane, Collins Big Cat
By Gimson, A.C., Ramsaran, Susan
By Francois Grosjean (Neuchatel University)
By Beverley Collins (formerly at University of Leiden, The Netherlands), Inger M. Mees (Copenhagen Business School, Denmark)
By Adam 'shuffle T' Woollard, Jamie 'bleez' Blackmore
By Clarke, Jane, Fox, Woody, Collins Big Cat