{"source":"book","style":"apa","contributors": [{"function":"author","last":"Dreyer","first":"Hilke"},{"function":"author","last":"Schmitt","first":"Richard"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Lehr- und Ubungsbuch der deutschen Grammatik","publisher":"Hueber","city":"Ismaning","year":"1991"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"1146502866","isbn":"3885326086 9783885326083"}