TROLL, L. E. (1982). Continuations: A dult development and aging. Brooks/Cole Pub.
Lua i Stíl Chicago (17ú heag.)TROLL, Lillian E. Continuations: A Dult Development and Aging. California: Brooks/Cole Pub, 1982.
Lua MLA (9ú heag.)TROLL, Lillian E. Continuations: A Dult Development and Aging. Brooks/Cole Pub, 1982.
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