Dyfyniad APA
(2001). Market effects of crop support measures. OECD.
Dyfyniad Arddull Chicago
Market Effects of Crop Support Measures. Paris, France: OECD, 2001.
Dyfyniad MLA
Market Effects of Crop Support Measures. OECD, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.