National Research Council (U.S.). Panel on Statistics for an Aging Population, ebrary, Inc, & Gilford, D. M. (1988). The Aging population in the twenty-first century: Statistics for health policy. National Academy Press.
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Cita Chicago (17th ed.)
National Research Council (U.S.). Panel on Statistics for an Aging Population, Inc ebrary, i Dorothy M. Gilford. The Aging Population in the Twenty-first Century: Statistics for Health Policy. Washington, D.C.: National Academy Press, 1988.
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Cita MLA (9th ed.)
National Research Council (U.S.). Panel on Statistics for an Aging Population, et al. The Aging Population in the Twenty-first Century: Statistics for Health Policy. National Academy Press, 1988.
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Atenció: Aquestes cites poden no estar 100% correctes.