Dyfyniad APA

Dubois, E. (2010). 21st century encyclopedia of global warming and climate change. Apple Academic.

Dyfyniad Arddull Chicago

Dubois, Etienne. 21st Century Encyclopedia of Global Warming and Climate Change. Oakville: Apple Academic, 2010.

Dyfyniad MLA

Dubois, Etienne. 21st Century Encyclopedia of Global Warming and Climate Change. Apple Academic, 2010.

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