Dyfyniad APA

Gore, A. Earth in the balance: Ecology and the human spirit.

Dyfyniad Arddull Chicago

Gore, Albert. Earth in the Balance: Ecology and the Human Spirit.

Dyfyniad MLA

Gore, Albert. Earth in the Balance: Ecology and the Human Spirit.

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