APA (7 वां संस्करण) प्रशस्ति पत्र
Williams, I., Dickinson, H., & Robinson, S. (2012). Rationing in health care: The theory and practice of priority setting. Policy Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Williams, I., Helen Dickinson, और Suzanne Robinson. Rationing in Health Care: The Theory and Practice of Priority Setting. Bristol ; Chicago: Policy Press, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Williams, I., et al. Rationing in Health Care: The Theory and Practice of Priority Setting. Policy Press, 2012.
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