@book {Trudgill1974,
	title = {The Social Differentiation of English in Norwich},
	series = {Cambridge studies in linguistics},
	number = {13},
	year = {1974},
	pages = {211},
	publisher = {Cambridge University Press},
	organization = {Cambridge University Press},
	address = {Cambridge},
	issn = {9780521202640},
	author = {Trudgill, Peter}
}
