Mazurkiewicz , B. (2006) Записки Горного института, 167(2), сс. 350-352. доступно на: https://pmi.spmi.ru/pmi/article/view/8045 (просмотрено: 4 май 2025).
Mazurkiewicz , B. (2006) “The agreement between the government of the republic of Poland and the government of the Russian Federation concerning the avoidance of double taxation with respect to income and property taxes”, Journal of Mining Institute, 167(2), pp. 350-352. Available at: https://pmi.spmi.ru/pmi/article/view/8045 (Accessed: 4 May 2025).