Ellison, J. M. (2003). Depression in later life: A multidisciplinary psychiatric approach. Marcel Dekker.
Lua i Stíl Chicago (17ú heag.)Ellison, James M. Depression in Later Life: A Multidisciplinary Psychiatric Approach. Marcel Dekker, 2003.
Lua MLA (9ú heag.)Ellison, James M. Depression in Later Life: A Multidisciplinary Psychiatric Approach. Marcel Dekker, 2003.
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