Dyfyniad APA

National Research Council (U.S.). Committee on Coastal Erosion Zone Management. (1990). Managing coastal erosion. Washington, D.C: National Academy Press.

Dyfyniad Arddull Chicago

National Research Council (U.S.). Committee on Coastal Erosion Zone Management. Managing Coastal Erosion. Washington, D.C: National Academy Press, 1990.

Dyfyniad MLA

National Research Council (U.S.). Committee on Coastal Erosion Zone Management. Managing Coastal Erosion. Washington, D.C: National Academy Press, 1990.

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