Dyfyniad APA
Organisation for Economic Co-operation and Development. (1999). Trade measures in multilateral environmental agreements. Organisation for Economic Co-operation and Development.
Dyfyniad Arddull Chicago
Organisation for Economic Co-operation and Development. Trade Measures in Multilateral Environmental Agreements. Paris, France: Organisation for Economic Co-operation and Development, 1999.
Dyfyniad MLA
Organisation for Economic Co-operation and Development. Trade Measures in Multilateral Environmental Agreements. Organisation for Economic Co-operation and Development, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.