Steven-Long, J. (1984). Adult Life Developmental Processes Judith Steven-long. Mayfield Pub.
Chicago-viite (17. p.)Steven-Long, Judith. Adult Life Developmental Processes Judith Steven-long. Mayfield Pub, 1984.
MLA-viite (8. p.)Steven-Long, Judith. Adult Life Developmental Processes Judith Steven-long. Mayfield Pub, 1984.
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