CJ Bailey
Chen
Howard Giles
MJ Halliday: Functional theory
Jean Aitchison
Labov Matha’s Vineyard Study
Sharon Goodman
Peter Trudgill
Geoffrey Leech
Labov New York Study
Aitchison’s PIDC model
Choy and Dodd
Howard Giles: Matched Guise Test
Basil Bernstein
Jenny Cheshire