Dyfyniad APA

(2007). Taking sides: Clashing views on environmental issues. United States: McGraw-Hill.

Dyfyniad Arddull Chicago

Taking Sides: Clashing Views On Environmental Issues. United States: McGraw-Hill, 2007.

Dyfyniad MLA

Taking Sides: Clashing Views On Environmental Issues. United States: McGraw-Hill, 2007.

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