Butler, R. N., & Lewis, M. I. Aging & mental health: Positive psychosocial and biomedical approaches (Third edition.).
Čikaški stil citiranja (17. izdanje)Butler, Robert N., i Myrna I. Lewis. Aging & Mental Health: Positive Psychosocial and Biomedical Approaches. Third edition.
MLA način citiranja (9. izdanje)Butler, Robert N., i Myrna I. Lewis. Aging & Mental Health: Positive Psychosocial and Biomedical Approaches. Third edition.
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