ebrary, Inc. (2001). Preparing for an aging world: The case for cross-national research. National Academy Press.
Cita Chicago (17th ed.)ebrary, Inc. Preparing for an Aging World: The Case for Cross-national Research. Washington, D.C.: National Academy Press, 2001.
Cita MLA (9th ed.)ebrary, Inc. Preparing for an Aging World: The Case for Cross-national Research. National Academy Press, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.