APA-referens (7:e uppl.)
Williams, W. E. (2011). Race & economics: How much can be blamed on discrimination? Hoover Institution Press.
Chicago-referens (17:e uppl.)
Williams, Walter E. Race & Economics: How Much Can Be Blamed on Discrimination? Stanford, Calif.: Hoover Institution Press, 2011.
MLA-referens (9:e uppl.)
Williams, Walter E. Race & Economics: How Much Can Be Blamed on Discrimination? Hoover Institution Press, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.