Eisinger Guimarães, Rômulo. «From “Unbestimmtstellen” to “Leerstellen” and “campo di possibilità interpretative”. How Current is Ingarden’s Theory of Literature? . 143». в Roman Ingarden and His Times, под редакцией Dominika Czakon, Natalia Anna Michna, и Leszek Sosnowski. Poland: Księgarnia Akademicka Publishing, 2020. просмотрено ноябрь 5, 2026. https://books.akademicka.pl/publishing/catalog/book/83/chapter/1065.