Παραπομπή σε μορφή APA (7η εκδ.)

Bems, R., & Carvalho Filho, I. d. (2009). Exchange rate assessments: Methodologies for oil exporting countries. International Monetary Fund, Research Department.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bems, Rudolfs, και Irineu de Carvalho Filho. Exchange Rate Assessments: Methodologies for Oil Exporting Countries. [Washington, D.C.]: International Monetary Fund, Research Department, 2009.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bems, Rudolfs, και Irineu de Carvalho Filho. Exchange Rate Assessments: Methodologies for Oil Exporting Countries. International Monetary Fund, Research Department, 2009.