Cita APA (7th ed.)
ebrary, Inc. (2003). The Internet under crisis conditions: Learning from September 11. National Academies Press.
Cita Chicago (17th ed.)
ebrary, Inc. The Internet Under Crisis Conditions: Learning from September 11. Washington, D.C.: National Academies Press, 2003.
Cita MLA (9th ed.)
ebrary, Inc. The Internet Under Crisis Conditions: Learning from September 11. National Academies Press, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.