books.google.com - This classic volume, by a well-known linguist, constitutes a systematic introduction to sociolinguistics, unmatched in the clarity and forcefulness of its approach, and to the study of language in its social setting....http://books.google.com/books/about/Sociolinguistic_Patteras.html?id=hD0PNMu8CfQC&utm_source=gb-gplus-shareSociolinguistic Patteras