Dyfyniad APA

Kasting, J. (2010). How to find a habitable planet. Princeton university press.

Dyfyniad Arddull Chicago

Kasting, James. How to Find a Habitable Planet. New Jersey: Princeton university press, 2010.

Dyfyniad MLA

Kasting, James. How to Find a Habitable Planet. Princeton university press, 2010.

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