Widdowson H.G. Learning purpose and language use

Oxford University Press, 1983. — 122 p.This book is an inquiry into the theoretical credentials of ESP — English for Specific Purposes — and, by implication, of LSP — language, any language, taught to the specification of purpose. The field is already a busy one, full of prospectors staking claims, working seams, with the usual crowd of attendant camp followers parasitic on their success.