Graham, P. (2012). The present: Paul Graham (First edition.). Mack.
Chicago-Zitierstil (17. Ausg.)Graham, Paul. The Present: Paul Graham. First edition. [London]: Mack, 2012.
MLA-Zitierstil (8. Ausg.)Graham, Paul. The Present: Paul Graham. First edition. Mack, 2012.
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