APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Ory, M. G., & DeFriese, G. H. (1998). Self-care in later life: Research, program, and policy issues. Springer Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Marcia G. Ory, और Gordon H. DeFriese. Self-care in Later Life: Research, Program, and Policy Issues. New York: Springer Pub., 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Self-care in Later Life: Research, Program, and Policy Issues. Springer Pub., 1998.
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