Dyfyniad APA

Lovelock,James. (2009). Vanishing face of gaia: A final warning. Allen Lane.

Dyfyniad Arddull Chicago

Lovelock,James. Vanishing Face of Gaia: A Final Warning. London: Allen Lane, 2009.

Dyfyniad MLA

Lovelock,James. Vanishing Face of Gaia: A Final Warning. Allen Lane, 2009.

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