Harman, G. (2002). Tool-being: Heidegger and the metaphyics of objects. Open Court.
Chicago-čujuhus (17. p.)Harman, Graham. Tool-being: Heidegger and the Metaphyics of Objects. Chicago: Open Court, 2002.
MLA-čujuhus (9. p.)Harman, Graham. Tool-being: Heidegger and the Metaphyics of Objects. Open Court, 2002.
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