Butler, R. N., Lewis, M. I., & Sunderland, T. (1998). Aging and mental health: Positive psychosocial and biomedical approaches (5th ed.). Allyn and Bacon.
Citace podle Chicago (17th ed.)Butler, Robert N., Myrna I. Lewis, a Trey Sunderland. Aging and Mental Health: Positive Psychosocial and Biomedical Approaches. 5th ed. Boston: Allyn and Bacon, 1998.
Citace podle MLA (9th ed.)Butler, Robert N., et al. Aging and Mental Health: Positive Psychosocial and Biomedical Approaches. 5th ed. Allyn and Bacon, 1998.
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