{"source":"book","style":"apa","contributors": [{"function":"author","last":"Cunningham","first":"Walker"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"The Keyboard music of John Bull","publisher":"UMI Research Press","city":"Ann Arbor, Michigan","year":"1984"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"433333261","isbn":"0835714667 9780835714662"}