APA (7 वां संस्करण) प्रशस्ति पत्र
National Research Council (U.S.). Panel on Understanding Divergent Trends in Longevity in High-Income Countries, ebrary, Inc, Crimmins, E. M., Preston, S. H., & Cohen, B. (2010). International differences in mortality at older ages: Dimensions and sources. National Academies Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
National Research Council (U.S.). Panel on Understanding Divergent Trends in Longevity in High-Income Countries, Inc ebrary, Eileen M. Crimmins, Samuel H. Preston, और Barney Cohen. International Differences in Mortality at Older Ages: Dimensions and Sources. Washington, D.C.: National Academies Press, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
National Research Council (U.S.). Panel on Understanding Divergent Trends in Longevity in High-Income Countries, et al. International Differences in Mortality at Older Ages: Dimensions and Sources. National Academies Press, 2010.
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