Dyfyniad APA
ebrary, Inc. (1999). Hydrologic science priorities for the U.S. Global Change Research Program: An initial assessment. National Academy Press.
Dyfyniad Arddull Chicago
ebrary, Inc. Hydrologic Science Priorities for the U.S. Global Change Research Program: An Initial Assessment. Washington, DC: National Academy Press, 1999.
Dyfyniad MLA
ebrary, Inc. Hydrologic Science Priorities for the U.S. Global Change Research Program: An Initial Assessment. National Academy Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.