Shanas, E. (1962). The health of older people: A social survey. Harvard University Press.
Cita Chicago (17th ed.)Shanas, Ethel. The Health of Older People: A Social Survey. Cambridge, Mass.: Harvard University Press, 1962.
Cita MLA (8th ed.)Shanas, Ethel. The Health of Older People: A Social Survey. Harvard University Press, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.