APA-referens (7:e uppl.)

Portillo, R., & Zanna, L. (2015). On the First-Round Effects of International Food Price Shocks: The Role of the Asset Market Structure. International Monetary Fund.

Chicago-referens (17:e uppl.)

Portillo, Rafael, och Luis-Felipe Zanna. On the First-Round Effects of International Food Price Shocks: The Role of the Asset Market Structure. Washington, D.C.: International Monetary Fund, 2015.

MLA-referens (8:e uppl.)

Portillo, Rafael, och Luis-Felipe Zanna. On the First-Round Effects of International Food Price Shocks: The Role of the Asset Market Structure. International Monetary Fund, 2015.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.