Burns, M. (2005). Perilous realms: Celtic and Norse in Tolkien's Middle-earth. University of Toronto Press.
Chicago Style aipamenaBurns, Marjorie. Perilous Realms: Celtic and Norse in Tolkien's Middle-earth. Toronto ; Buffalo: University of Toronto Press, 2005.
MLA aipamenaBurns, Marjorie. Perilous Realms: Celtic and Norse in Tolkien's Middle-earth. University of Toronto Press, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.