Dyfyniad APA

Jorgensen, S. E. (1979). Handbook of environmental data and ecological parameters. Pergamon Press.

Dyfyniad Arddull Chicago

Jorgensen, S E. Handbook of Environmental Data and Ecological Parameters. Oxford: Pergamon Press, 1979.

Dyfyniad MLA

Jorgensen, S E. Handbook of Environmental Data and Ecological Parameters. Pergamon Press, 1979.

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