LLanguage ChangeLanguage Changede Ernst H. JahrEdiciones (1)Language Change (1999)De Gruyter, Inc. · inglés · ISBN 9781306273213Más obras de Ernst H. JahrLLanguage and Its EcologyLanguage and Its EcologyLanguage ChangeLLanguage Planning as a Sociolinguistic ExperimentLanguage Planning as a Sociolinguistic Experiment