TROLL, L. E. (1975). Early and middle adulthood: The best is to be-maybe. Brooks/Cole.
Chicago-viite (17. p.)TROLL, Lillian E. Early and Middle Adulthood: The Best Is to Be-maybe. Monterey: Brooks/Cole, 1975.
MLA-viite (9. p.)TROLL, Lillian E. Early and Middle Adulthood: The Best Is to Be-maybe. Brooks/Cole, 1975.
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