HJELM, Titus; KAHN-HARRIS, Keith; LEVINE, Mark. Heavy metal as controversy and counterculture. Popular Music History, [S. l.], v. 6, n. 1-2, p. 5–18, 2012. DOI: 10.1558/pomh.v6i1/2.5. Disponível em: https://journal.equinoxpub.com/PMH/article/view/13515.. Acesso em: 8 jun. 2024.