HEIMTUN, Bente; JÓHANNESSON, Gunnar Þór; TUULENTIE, Seija. Northern Lights Tourism in Iceland, Norway and Finland. Septentrio Reports, Tromsø, Norway, n. 1, 2015. DOI: 10.7557/7.3266. Disponível em: https://septentrio.uit.no/index.php/SapReps/article/view/3266. Acesso em: 23 apr. 2026.