APA-referens (7:e uppl.)
Protze, L. (2008). Zero lower bound and monetary policy in the euro area: Optimal monetary policy in a low inflation environment. Diplomica Verlag.
Chicago-referens (17:e uppl.)
Protze, Lars. Zero Lower Bound and Monetary Policy in the Euro Area: Optimal Monetary Policy in a Low Inflation Environment. Hamburg: Diplomica Verlag, 2008.
MLA-referens (9:e uppl.)
Protze, Lars. Zero Lower Bound and Monetary Policy in the Euro Area: Optimal Monetary Policy in a Low Inflation Environment. Diplomica Verlag, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.