Downham, C. (2008). Viking kings of Britain and Ireland: The dynasty of Ívarr to A.D. 1014. Dunedin.
芝加哥风格引文Downham, Clare. Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin, 2008.
MLA引文Downham, Clare. Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Dunedin, 2008.
警告：这些引文格式不一定是100％准确.