Dyfyniad APA

International Energy Agency. (2015). Renewables information 2015. International Energy Agency.

Dyfyniad Arddull Chicago

International Energy Agency. Renewables Information 2015. Paris, [France]: International Energy Agency, 2015.

Dyfyniad MLA

International Energy Agency. Renewables Information 2015. International Energy Agency, 2015.

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