APA-referens (7:e uppl.)
Bartsch, U. (2006). How much is enough?: Monte Carlo simulations of an oil stabilization fund for Nigeria. International Monetary Fund.
Chicago-referens (17:e uppl.)
Bartsch, Ulrich. How Much Is Enough?: Monte Carlo Simulations of an Oil Stabilization Fund for Nigeria. [Washington, D.C.]: International Monetary Fund, 2006.
MLA-referens (9:e uppl.)
Bartsch, Ulrich. How Much Is Enough?: Monte Carlo Simulations of an Oil Stabilization Fund for Nigeria. International Monetary Fund, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.