COOK, Rena. Voice Training and the Royal National Theatre. Journal of Dramatic Theory and Criticism, [S. l.], v. 13, n. 2, p. 165–176, 1999. DOI: 10.17161/jdtc.v13i2.2026. Disponível em: https://journals.ku.edu/jdtc/article/view/2026.. Acesso em: 5 may. 2024.