ebrary, Inc, & Brougham, R. R. (2009). New directions in aging research: Health and cognition. Nova Biomedical Books.
Chicago-viite (17. p.)ebrary, Inc, ja Ruby R. Brougham. New Directions in Aging Research: Health and Cognition. New York: Nova Biomedical Books, 2009.
MLA-viite (9. p.)ebrary, Inc, ja Ruby R. Brougham. New Directions in Aging Research: Health and Cognition. Nova Biomedical Books, 2009.
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