books.google.co.uk - This comprehensive new edition of Wardhaugh's textbook incorporates additional study features and numerous new and updated references to bring the book completely up-to-date, whilst maintaining the features that made the book so popular with lecturers and students: accessible coverage of a wide range...http://books.google.co.uk/books/about/An_Introduction_to_Sociolinguistics.html?id=JELvevZ1q5UC&q=Trudgill&utm_source=gb-gplus-shareAn Introduction to Sociolinguistics