APA-viite (7. p.)
ebrary, Inc. (2001). Preparing for an aging world: The case for cross-national research. National Academy Press.
Chicago-viite (17. p.)
ebrary, Inc. Preparing for an Aging World: The Case for Cross-national Research. Washington, D.C.: National Academy Press, 2001.
MLA-viite (9. p.)
ebrary, Inc. Preparing for an Aging World: The Case for Cross-national Research. National Academy Press, 2001.
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