Beard, M. (1929). The nurse in public health. Harper & brothers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBeard, Mary. The Nurse in Public Health. New York, London: Harper & brothers, 1929.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBeard, Mary. The Nurse in Public Health. Harper & brothers, 1929.
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