APA-čujuhus (7. p.)
Downham, C. (2008). Viking kings of Britain and Ireland: The dynasty of Ívarr to A.D. 1014. Dunedin.
Chicago-čujuhus (17. p.)
Downham, Clare. Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin, 2008.
MLA-čujuhus (9. p.)
Downham, Clare. Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Dunedin, 2008.
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