MUSOLINO, Walter. Sergio Ubaldi. <i>Between two worlds: Poems in English, Italian and Spanish.</i>. Spunti e Ricerche, [S. l.], v. 7, p. 122–125, 2016. Disponível em: https://www.spuntiericerche.com/index.php/spuntiericerche/article/view/266. Acesso em: 4 dec. 2024.