Dyfyniad APA

ebrary, Inc, Leal Filho, W., & Gottwald, J. (2012). Educational and technological approaches to renewable energy. Peter Lang.

Dyfyniad Arddull Chicago

ebrary, Inc, Walter Leal Filho, and Julia Gottwald. Educational and Technological Approaches to Renewable Energy. Frankfurt am Main: Peter Lang, 2012.

Dyfyniad MLA

ebrary, Inc, et al. Educational and Technological Approaches to Renewable Energy. Peter Lang, 2012.

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