ebrary, Inc. (2001). Preparing for an aging world: The case for cross-national research. National Academy Press.
Chicago-referens (17:e uppl.)ebrary, Inc. Preparing for an Aging World: The Case for Cross-national Research. Washington, D.C.: National Academy Press, 2001.
MLA-referens (9:e uppl.)ebrary, Inc. Preparing for an Aging World: The Case for Cross-national Research. National Academy Press, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.