Dyfyniad APA

Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). Estonia 2009. OECD.

Dyfyniad Arddull Chicago

Organisation for Economic Co-operation and Development and ProQuest (Firm). Estonia 2009. Paris: OECD, 2009.

Dyfyniad MLA

Organisation for Economic Co-operation and Development and ProQuest (Firm). Estonia 2009. OECD, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.