Mga tinig mula sa ibaba kasaysayan ng partido komunista ng Pilipinas at partido sosialista ng Pilipinas - Maceda, Teresita Gimenez (Quezon City U.P. Press and U.P. Center for Integrative and Development Studies, Peace, Conflict Resolution and Human Rights Program, 1996)
Gift : U.P.-CIDS (3-15-11)
Keywords: Communist Party of the Philippines--History.; Protest songs--Philippines.; Radicalism--Songs and music; Socialism--Philippines.