APA-referens (7:e uppl.)

Richardson, J. D. (1981). Four observations on modern international commercial policy under floating exchange rates. Social Systems Research Institute, University of Wisconsin-Madison.

Chicago-referens (17:e uppl.)

Richardson, J. David. Four Observations on Modern International Commercial Policy Under Floating Exchange Rates. Madison: Social Systems Research Institute, University of Wisconsin-Madison, 1981.

MLA-referens (9:e uppl.)

Richardson, J. David. Four Observations on Modern International Commercial Policy Under Floating Exchange Rates. Social Systems Research Institute, University of Wisconsin-Madison, 1981.