Dyfyniad APA
Organisation for Economic Co-operation and Development. (2001). National accounts of OECD countries. OECD.
Dyfyniad Arddull Chicago
Organisation for Economic Co-operation and Development. National Accounts of OECD Countries. Paris: OECD, 2001.
Dyfyniad MLA
Organisation for Economic Co-operation and Development. National Accounts of OECD Countries. OECD, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.