Dyfyniad APA
ebrary, Inc. (1995). Review of EPA's Environmental Monitoring and Assessment Program: Overall evaluation. National Research Council : [Distributed by the National Academy Press.
Dyfyniad Arddull Chicago
ebrary, Inc. Review of EPA's Environmental Monitoring and Assessment Program: Overall Evaluation. Washington, D.C.: National Research Council : [Distributed by the National Academy Press, 1995.
Dyfyniad MLA
ebrary, Inc. Review of EPA's Environmental Monitoring and Assessment Program: Overall Evaluation. National Research Council : [Distributed by the National Academy Press, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.