Não informado. (2002). Labour Force Statistics. Organization for Economic Co-operation and Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Labour Force Statistics. Paris: Organization for Economic Co-operation and Development, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Labour Force Statistics. Organization for Economic Co-operation and Development, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.