Committee on an Aging Society (U.S.) & Symposium on Unpaid Productive Roles in an Aging Society. (1986). Productive roles in an older society. National Academy Press.
Citace podle Chicago (17th ed.)Committee on an Aging Society (U.S.) a Symposium on Unpaid Productive Roles in an Aging Society. Productive Roles in an Older Society. Washington, D.C.: National Academy Press, 1986.
Citace podle MLA (9th ed.)Committee on an Aging Society (U.S.) a Symposium on Unpaid Productive Roles in an Aging Society. Productive Roles in an Older Society. National Academy Press, 1986.
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