POST, Margje. Проблемы изучения севернорусского слова дак: достижения и недостаткищ(Advantages and Shortcomings of Different Perspectives in Describing Northern Russian dak). Poljarnyj vestnik, Tromsø, Norway, v. 5, p. 29–45, 2002. DOI: 10.7557/6.1398. Disponível em: https://septentrio.uit.no/index.php/vestnik/article/view/1398. Acesso em: 24 apr. 2026.