McLaughlin, Ana Teresa. «Parallelisms in the Poetry of Walt Whitman and of Rigoberto Pérez: Death and Nature As Dicotomics». Ceiba 4, no. 7 (febrero 7, 1975): 61–85. Accedido abril 23, 2024. https://revistas.upr.edu/index.php/ceiba/article/view/6075.