Dyfyniad APA

Morris, P., & Therivel, R. (1995). Methods of environmental impact assessment. UCL Press.

Dyfyniad Arddull Chicago

Morris, Peter, and Riki Therivel. Methods of Environmental Impact Assessment. London: UCL Press, 1995.

Dyfyniad MLA

Morris, Peter, and Riki Therivel. Methods of Environmental Impact Assessment. UCL Press, 1995.

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