Organisation for Economic Co-operation and Development. (2019). Oecd mining regions and cities case study: Outokumpu and north karelia, finland. OECD Publishing.
Dyfyniad Arddull ChicagoOrganisation for Economic Co-operation and Development. Oecd Mining Regions and Cities Case Study: Outokumpu and North Karelia, Finland. Paris, France: OECD Publishing, 2019.
Dyfyniad MLAOrganisation for Economic Co-operation and Development. Oecd Mining Regions and Cities Case Study: Outokumpu and North Karelia, Finland. OECD Publishing, 2019.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.