Birkett, T., & O'Donoghue, H. (2011). Ráð Rétt Rúnar: Reading the runes in Old English and Old Norse poetry.
Citazione stile Chigago Style (17a edizione)Birkett, T., e H. O'Donoghue. Ráð Rétt Rúnar: Reading the Runes in Old English and Old Norse Poetry. 2011.
Citatione MLA (9a ed.)Birkett, T., e H. O'Donoghue. Ráð Rétt Rúnar: Reading the Runes in Old English and Old Norse Poetry. 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.