Dyfyniad APA

(2013). Transition to sustainable buildings: Strategies and opportunities to 2050. OECD/IEA.

Dyfyniad Arddull Chicago

Transition to Sustainable Buildings: Strategies and Opportunities to 2050. France: OECD/IEA, 2013.

Dyfyniad MLA

Transition to Sustainable Buildings: Strategies and Opportunities to 2050. OECD/IEA, 2013.

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