Dyfyniad APA
ebrary, Inc. (2003). The Internet under crisis conditions: Learning from September 11. National Academies Press.
Dyfyniad Arddull Chicago
ebrary, Inc. The Internet Under Crisis Conditions: Learning from September 11. Washington, D.C.: National Academies Press, 2003.
Dyfyniad MLA
ebrary, Inc. The Internet Under Crisis Conditions: Learning from September 11. National Academies Press, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.