Dyfyniad APA

Al Dufour & Jamie Bartram. (2012). Animal Waste, Water Quality and Human Health. UK.

Dyfyniad Arddull Chicago

Al Dufour and Jamie Bartram. Animal Waste, Water Quality and Human Health. UK, 2012.

Dyfyniad MLA

Al Dufour and Jamie Bartram. Animal Waste, Water Quality and Human Health. UK, 2012.

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