Dyfyniad APA

Christianson, G. (1999). Greenhouse: The 200 years story of gobal warming. Universities Press.

Dyfyniad Arddull Chicago

Christianson, Gale. Greenhouse: The 200 Years Story of Gobal Warming. Hyderabad: Universities Press, 1999.

Dyfyniad MLA

Christianson, Gale. Greenhouse: The 200 Years Story of Gobal Warming. Universities Press, 1999.

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