Dyfyniad APA

Watts, R. G. (2007). Global warming and the future of the earth. Morgan & Claypool Publishers.

Dyfyniad Arddull Chicago

Watts, Robert G. Global Warming and the Future of the Earth. San Rafael, Calif: Morgan & Claypool Publishers, 2007.

Dyfyniad MLA

Watts, Robert G. Global Warming and the Future of the Earth. Morgan & Claypool Publishers, 2007.

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