Não informado. (1980). Journal of Economic Behavior and Organization. North Holland Publishing.
Chicago-referens (17:e uppl.)Não informado. Journal of Economic Behavior and Organization. Amsterdam: North Holland Publishing, 1980.
MLA-referens (8:e uppl.)Não informado. Journal of Economic Behavior and Organization. North Holland Publishing, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.