APA (7 वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, & Brougham, R. R. (2009). New directions in aging research: Health and cognition. Nova Biomedical Books.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, और Ruby R. Brougham. New Directions in Aging Research: Health and Cognition. New York: Nova Biomedical Books, 2009.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, और Ruby R. Brougham. New Directions in Aging Research: Health and Cognition. Nova Biomedical Books, 2009.

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