Παραπομπή σε μορφή APA (7η εκδ.)

Martins Fereira, P. J. (2008). Regional labour market disparities are narrowing. Statistics in focus: General and regional statistics.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Martins Fereira, Pedro Jorge. "Regional Labour Market Disparities Are Narrowing." Statistics in Focus: General and Regional Statistics 2008.

Παραπομπή σε μορφή MLA (8th εκδ.)

Martins Fereira, Pedro Jorge. "Regional Labour Market Disparities Are Narrowing." Statistics in Focus: General and Regional Statistics, 2008.