{"source":"book","style":"apa","contributors": [{"function":"author","last":"Cunningham","first":"Walker"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"The keyboard music of John Bull","publisher":"Bowker","city":"Epping","year":"1984"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"1082488411","isbn":"0835714667 9780835714662"}