{"source":"book","style":"apa","contributors": [{"function":"author","last":"Martin","first":"George","middle":"R R"},{"function":"author","last":"Kruk","first":"Pawe"},{"function":"author","last":"Jakuszewski","first":"Micha"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Gra o tron","publisher":"Zysk i S-ka. Wydaw.","city":"Poznan","year":"2007"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"297533089","isbn":"9788372983701 8372983704"}