Ушинскене, Виктория. “Рус. падло падла (из истории пейоративной лексики)”. Slavistica Vilnensis 52, no. 2 (December 1, 2003): 193–196. Accessed June 14, 2025. https://www.zurnalai.vu.lt/slavistica-vilnensis/article/view/23155.