Lavretsky, H. (2014). Resilience and aging: Research and practice. John Hopkins University Press.
Chicago-čujuhus (17. p.)Lavretsky, Helen. Resilience and Aging: Research and Practice. Baltimore, Maryland: John Hopkins University Press, 2014.
MLA-čujuhus (9. p.)Lavretsky, Helen. Resilience and Aging: Research and Practice. John Hopkins University Press, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.