KASAYSAYAN NG MILITANTENG KILUSANG PAGGAWA SA PILIPINAS. BISIG, [S. l.], v. 1, n. 1, p. 75–105, 2014. DOI: 10.70922/w6pemv84. Disponível em: https://publishing.pup.edu.ph/ojs/index.php/BSG/article/view/202. Acesso em: 17 aug. 2025.