Dyfyniad APA

Organisation for Economic Co-operation and Development & ProQuest (Firm). (2005). OECD environmental performance reviews: Czech Republic. OECD.

Dyfyniad Arddull Chicago

Organisation for Economic Co-operation and Development and ProQuest (Firm). OECD Environmental Performance Reviews: Czech Republic. Paris: OECD, 2005.

Dyfyniad MLA

Organisation for Economic Co-operation and Development and ProQuest (Firm). OECD Environmental Performance Reviews: Czech Republic. OECD, 2005.

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