{"source":"book","style":"apa","contributors": [{"function":"author","last":"Martin","first":"George","middle":"R R ,"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Gra o tron","publisher":"Zysk i S-ka","city":"Warszawa","year":"1997"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"224195629"}