ebrary, Inc, Johnson, P., & Thane, P. (1998). Old age from antiquity to post-modernity. Routledge/LSE.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, Paul Johnson, और Pat Thane. Old Age from Antiquity to Post-modernity. London ; New York: Routledge/LSE, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, et al. Old Age from Antiquity to Post-modernity. Routledge/LSE, 1998.
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