J. Pérez de Tudela Velasco, «KOPACZYNSKI, G.: Linguistic ramifications of the essence-existence debate»., Logos, vol. 15, p. 123, gen. 1980, Consultato: lug. 14, 2026. Disponibile su: https://revistas.ucm.es/index.php/ASEM/article/view/ASEM8080110123A