Harman, G. (2002). Tool-being: Heidegger and the metaphyics of objects. Open Court.
芝加哥风格引文Harman, Graham. Tool-being: Heidegger and the Metaphyics of Objects. Chicago: Open Court, 2002.
MLA引文Harman, Graham. Tool-being: Heidegger and the Metaphyics of Objects. Open Court, 2002.
警告：这些引文格式不一定是100％准确.