National Research Council (U.S.). Committee on Ships' Ballast Operations. (1996). Stemming the tide: Controlling introductions of nonindigenous species by ships' ballast water. National Academy Press.
Dyfyniad Arddull ChicagoNational Research Council (U.S.). Committee on Ships' Ballast Operations. Stemming the Tide: Controlling Introductions of Nonindigenous Species by Ships' Ballast Water. Washington, D.C.: National Academy Press, 1996.
Dyfyniad MLANational Research Council (U.S.). Committee on Ships' Ballast Operations. Stemming the Tide: Controlling Introductions of Nonindigenous Species by Ships' Ballast Water. National Academy Press, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.