Steven-Long, J. (1984). Adult Life Developmental Processes Judith Steven-long. Mayfield Pub.
Lua i Stíl Chicago (17ú heag.)Steven-Long, Judith. Adult Life Developmental Processes Judith Steven-long. Mayfield Pub, 1984.
Lua MLA (8ú heag.)Steven-Long, Judith. Adult Life Developmental Processes Judith Steven-long. Mayfield Pub, 1984.
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