PETTIT, E. J.R.R. Tolkien’s use of an Old English charm. Mallorn: The Journal of the Tolkien Society, [S. l.], n. 40, p. 39–44, 2002. Disponível em: https://journals.tolkiensociety.org/mallorn/article/view/132. Acesso em: 25 apr. 2024.