TROLL, L. E. (1975). Early and middle adulthood: The best is to be-maybe. Brooks/Cole.
Lua i Stíl Chicago (17ú heag.)TROLL, Lillian E. Early and Middle Adulthood: The Best Is to Be-maybe. Monterey: Brooks/Cole, 1975.
Lua MLA (9ú heag.)TROLL, Lillian E. Early and Middle Adulthood: The Best Is to Be-maybe. Brooks/Cole, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.