Dyfyniad APA
National Research Council (U.S.). Marine Board & ebrary, Inc. (1985). Dredging coastal ports: An assessment of the issues. National Academy Press.
Dyfyniad Arddull Chicago
National Research Council (U.S.). Marine Board and Inc ebrary. Dredging Coastal Ports: An Assessment of the Issues. Washington, D.C.: National Academy Press, 1985.
Dyfyniad MLA
National Research Council (U.S.). Marine Board and Inc ebrary. Dredging Coastal Ports: An Assessment of the Issues. National Academy Press, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.