Graham, P. (2012). The present: Paul Graham (First edition.). Mack.
Chicagoスタイル(17版)引用形式Graham, Paul. The Present: Paul Graham. First edition. [London]: Mack, 2012.
MLA(8版)引用形式Graham, Paul. The Present: Paul Graham. First edition. Mack, 2012.
警告: この引用は必ずしも正確ではありません.