00322nam 2280709 450000100060000000300230000600500090002900800410003808200110007902000180009010000210010826000210012924500400015080709StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a306.44 a9780631183532 aRonald Wardhaugh bBLACKWELL c1992 aAn Introduction to Sociolinguistics