Hursserl, E. (1965). Phenomenology and the crisis of philosophi. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Hursserl, Edmund. Phenomenology and the Crisis of Philosophi. New York, Estados Unidos: Harper & Row, 1965.
Lua MLA (9ú heag.)Hursserl, Edmund. Phenomenology and the Crisis of Philosophi. Harper & Row, 1965.
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