APA-referens (7:e uppl.)
Winter, H. (2005). Trade-offs: An introduction to economic reasoning and social issues. University of Chicago Press.
Chicago-referens (17:e uppl.)
Winter, Harold. Trade-offs: An Introduction to Economic Reasoning and Social Issues. Chicago: University of Chicago Press, 2005.
MLA-referens (9:e uppl.)
Winter, Harold. Trade-offs: An Introduction to Economic Reasoning and Social Issues. University of Chicago Press, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.