Dyfyniad APA

International Energy Agency & Organisation for Economic Co-operation and Development. (2002). Bus systems for the future: Achieving sustainable transport worldwide. OECD/IEA.

Dyfyniad Arddull Chicago

International Energy Agency and Organisation for Economic Co-operation and Development. Bus Systems for the Future: Achieving Sustainable Transport Worldwide. Paris, France: OECD/IEA, 2002.

Dyfyniad MLA

International Energy Agency and Organisation for Economic Co-operation and Development. Bus Systems for the Future: Achieving Sustainable Transport Worldwide. OECD/IEA, 2002.

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