Guðrún Nordal, Tools of Literacy: The Role of Skaldic Verse in Icelandic Textual Culture of the Twelfth and Thirteenth Centuries, University of Toronto Press, 2001,
sid 59. ISBN 0-8020-4789-0
Guðrún Nordal, Tools of Literacy: The Role of Skaldic Verse in Icelandic Textual Culture of the Twelfth and Thirteenth Centuries, University of Toronto Press, 2001, sid 66f.ISBN 0-8020-4789-0