@inbook {Cheshire1987,
	title = {Age and Generation-Specific Use of Language},
	booktitle = {Sociolinguistics: An International Handbook of the Science of Language and Society},
	volume = {1},
	year = {1987},
	publisher = {Walter de Gruyter},
	organization = {Walter de Gruyter},
	address = {Berlin},
	url = {http://webspace.qmul.ac.uk/jlcheshire/sociolingx\%20and\%20age.pdf},
	author = {Jenny Cheshire},
	editor = {Ulrich Ammon and Norbert Dittmar and Mattheier, Klaus J and Trudgill, Peter}
}
@book {Ammon1987,
	title = {Sociolinguistics: An International Handbook of the Science of Language and Society},
	volume = {1},
	year = {1987},
	publisher = {Walter de Gruyter},
	organization = {Walter de Gruyter},
	address = {Berlin},
	editor = {Ulrich Ammon and Norbert Dittmar and Mattheier, Klaus J and Trudgill, Peter}
}
@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}
}
