Biblio

Ammon, Ulrich, Norbert Dittmar, Klaus J Mattheier & Peter Trudgill (eds.).. 1987. Sociolinguistics: An International Handbook of the Science of Language and Society. (eds.)Ulrich Ammon, Dittmar, Norbert, Mattheier, Klaus J & Trudgill, Peter. . Vol. 1. Berlin: Walter de Gruyter.

Cheshire, Jenny. 1987. Age and Generation-Specific Use of Language. In , Sociolinguistics: An International Handbook of the Science of Language and Society, vol. 1. (Sociolinguistics: An International Handbook Of The Science Of Language And Society). Berlin: Walter de Gruyter. http://webspace.qmul.ac.uk/jlcheshire/sociolingx%20and%20age.pdf.