Dyfyniad APA
(2000). Environmental performance reviews: Hungary. OECD Publications Services.
Dyfyniad Arddull Chicago
Environmental Performance Reviews: Hungary. Paris, France: OECD Publications Services, 2000.
Dyfyniad MLA
Environmental Performance Reviews: Hungary. OECD Publications Services, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.