Παραπομπή σε μορφή APA (7η εκδ.)

Ubeda, L., & Spilimbergo, A. (2002). A Model of Multiple Equilibria in Geographic Labor Mobility. International Monetary Fund.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ubeda, Luis, και Antonio Spilimbergo. A Model of Multiple Equilibria in Geographic Labor Mobility. Washington, D.C.: International Monetary Fund, 2002.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ubeda, Luis, και Antonio Spilimbergo. A Model of Multiple Equilibria in Geographic Labor Mobility. International Monetary Fund, 2002.