Harman, G. (2002). Tool-being: Heidegger and the metaphysics of objects / Graham Harman (1. print.). Open Court.
Čikaški stil citiranja (17. izdanje)Harman, Graham. Tool-being: Heidegger and the Metaphysics of Objects / Graham Harman. 1. print. Chicago ; La Salle, Ill.: Open Court, 2002.
MLA način citiranja (8. izdanje)Harman, Graham. Tool-being: Heidegger and the Metaphysics of Objects / Graham Harman. 1. print. Open Court, 2002.
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