BERKELEY, George. Eseje z Guardiana, Esej 2: Szyszynka [Guardian Essays, Essay 2: Pineal Gland]. Studies in the History of Philosophy. Online. 18 June 2018. Vol. 9, no. 2, pp. 39-42. [Accessed 3 July 2024]. DOI 10.12775/szhf.2018.015.