McLaughlin, A. T. (1975) «Parallelisms in the Poetry of Walt Whitman and of Rigoberto Pérez: Death and Nature as Dicotomics», Ceiba, 4(7), pp. 61–85. Disponible en: https://revistas.upr.edu/index.php/ceiba/article/view/6075 (Accedido: 19 abril 2024).