WALLINGA, A. Schoolexamen Fries herschreven door leerling. Levende Talen Magazine, Utrecht, Nederland, v. 106, n. 5, p. 42–43, 2019. Disponível em: https://lt-tijdschriften.nl/ojs/index.php/ltm/article/view/1952. Acesso em: 3 mei. 2024.