References
- Condeluci A. Interdependence: The Route to Community. St. Lucie Press, Delray Beach, FL 1991; 1995
- Condeluci A. Beyond Difference. St. Lucie Press, Delray Beach, FL 1995
- Erickson E. Identity and the Life Cycle. W.W. Norton, New York 1980
- Levinson D. Seasons of a Mans' Life. Ballantine Books, New York 1978
- Sheehy G. Passages. Bantam Press, New York 1974