BJÄRVALL, Anders. Rovdjur. Rangifer, Tromsø, Norway, v. 2, n. 1-App, p. 84–88, 2013. DOI: 10.7557/2.2.1-App.445. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/445. Acesso em: 2 may. 2026.