Martins Fereira, P. J. (2008). Regional labour market disparities are narrowing. Statistics in focus: General and regional statistics.
Lua i Stíl Chicago (17ú heag.)Martins Fereira, Pedro Jorge. "Regional Labour Market Disparities Are Narrowing." Statistics in Focus: General and Regional Statistics 2008.
Lua MLA (8ú heag.)Martins Fereira, Pedro Jorge. "Regional Labour Market Disparities Are Narrowing." Statistics in Focus: General and Regional Statistics, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.