Faria, Janaína de. “Karl Marx’s Life, Ideas, and Influences: A Critical Examination on the Bicentenary”. Crítica Marxista 28, no. 53 (outubro 30, 2021): 167–169. Acesso em outubro 15, 2025. https://econtents.sbu.unicamp.br/inpec/index.php/cma/article/view/18933.