Listwan, Fryderyk. „"What is Human, Only what is Human . " The Problem of Suffering in Leonid Leonov’s Novel ,The Pyramid‘“. Respectus Philologicus, no. 9 (14) (birželio 28, 2006): 59–64. žiūrėta rugpjūčio 28, 2026. https://zurnalai.vu.lt/respectus-philologicus/article/view/37635.