Cita APA (7th ed.)
ebrary, Inc. (2005). Planning for the International Polar Year 2007-2008: Report of the implementation workshop. National Academies Press.
Cita Chicago (17th ed.)
ebrary, Inc. Planning for the International Polar Year 2007-2008: Report of the Implementation Workshop. Washington, D.C.: National Academies Press, 2005.
Cita MLA (9th ed.)
ebrary, Inc. Planning for the International Polar Year 2007-2008: Report of the Implementation Workshop. National Academies Press, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.