Society of Environmental Engineers. (2019). Environmental Engineering. Mason.
Citação do estilo Chicago (17ª ed.)Society of Environmental Engineers. Environmental Engineering. London: Mason, 2019.
Citação MLA (8ª ed.)Society of Environmental Engineers. Environmental Engineering. Mason, 2019.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.