Pena, Eder Wilker Borges. “A Utilização Do Texto No Processo Composicional de Erwartung Op.17 de Arnold Schoenberg”. Vortex Music Journal, vol. 4, no. 2, Oct. 2016, pp. 1-36, https://doi.org/10.33871/23179937.2016.4.2.1315.