Dyfyniad APA

ebrary, Inc, Ryley, T., & Chapman, L. (2012). Transport and climate change. Emerald.

Dyfyniad Arddull Chicago

ebrary, Inc, Tim Ryley, and Lee Chapman. Transport and Climate Change. Bingley: Emerald, 2012.

Dyfyniad MLA

ebrary, Inc, et al. Transport and Climate Change. Emerald, 2012.

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