Dyfyniad APA

(2012). Water quality and agriculture: Meeting the policy challenge. OECD Publishing.

Dyfyniad Arddull Chicago

Water Quality and Agriculture: Meeting the Policy Challenge. Paris: OECD Publishing, 2012.

Dyfyniad MLA

Water Quality and Agriculture: Meeting the Policy Challenge. OECD Publishing, 2012.

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