{"source":"book","style":"apa","contributors": [{"function":"author","last":"Crystal","first":"David"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Language death","publisher":"Cambridge University Press","city":"Cambridge","year":"2002"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"912348185","isbn":"0521653215 9780521653213 0521012716 9780521012713"}