Dyfyniad APA

(2007). Taking sides., Clashing views on environmental issues. McGraw-Hill Contemporary Learning Series.

Dyfyniad Arddull Chicago

Taking Sides., Clashing Views On Environmental Issues. McGraw-Hill Contemporary Learning Series, 2007.

Dyfyniad MLA

Taking Sides., Clashing Views On Environmental Issues. McGraw-Hill Contemporary Learning Series, 2007.

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