Não informado. (1979). Energy Engineering: Journal of the Association of Energy Engineers. Association of Energy Engineering.
Citação do estilo Chicago (17ª ed.)Não informado. Energy Engineering: Journal of the Association of Energy Engineers. Atlanta, Ga: Association of Energy Engineering, 1979.
Citação MLA (8ª ed.)Não informado. Energy Engineering: Journal of the Association of Energy Engineers. Association of Energy Engineering, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.