Alt, J. E., Levi, M., & Ostrom, E. (1999). Competition and cooperation: Conversations with Nobelists about economics and political science. Russel Sage Foundation.
Chicago-referens (17:e uppl.)Alt, James E., Margaret Levi, och Elinor Ostrom. Competition and Cooperation: Conversations with Nobelists About Economics and Political Science. New York: Russel Sage Foundation, 1999.
MLA-referens (9:e uppl.)Alt, James E., et al. Competition and Cooperation: Conversations with Nobelists About Economics and Political Science. Russel Sage Foundation, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.