Dyfyniad APA

Journal of Environmental Science and Health, Part A. Cambridge University Press.

Dyfyniad Arddull Chicago

Journal of Environmental Science and Health, Part A. Cambridge University Press.

Dyfyniad MLA

Journal of Environmental Science and Health, Part A. Cambridge University Press.

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