{"source":"book","style":"apa","contributors": [{"function":"author","last":"Rowling","first":"J","middle":"K"},{"function":"author","last":"Kay","first":"Jim"},{"function":"author","last":"Polkowski","first":"Andrzej"},{"function":"author","last":"Media Rodzina (Pozna).,"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Harry Potter i komnata tajemnic","publisher":"Media Rodzina","city":"Warszawa","year":"2017"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"1020444113","isbn":"9788380082489 8380082486"}