APA-referens (7:e uppl.)

Duncan, R. (2012). The new depression: The breakdown of the paper money economy. Wiley.

Chicago-referens (17:e uppl.)

Duncan, Richard. The New Depression: The Breakdown of the Paper Money Economy. Singapore: Wiley, 2012.

MLA-referens (9:e uppl.)

Duncan, Richard. The New Depression: The Breakdown of the Paper Money Economy. Wiley, 2012.