Echarri, J. (1959). Philosophia entis sensibilis. Herder.
Tohutoru Kātū Chicago (17th ed.)Echarri, Jaime. Philosophia Entis Sensibilis. Barcelona: Herder, 1959.
Tohutoro MLA (9th ed.)Echarri, Jaime. Philosophia Entis Sensibilis. Herder, 1959.
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