Sharma, O. (1999). Geriatric care in India: Geriatrics & gerontology. A'N'B publishers.
Lua i Stíl Chicago (17ú heag.)Sharma, O.P. Geriatric Care in India: Geriatrics & Gerontology. New Delhi: A'N'B publishers, 1999.
Lua MLA (8ú heag.)Sharma, O.P. Geriatric Care in India: Geriatrics & Gerontology. A'N'B publishers, 1999.
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