Não informado. (1970). The Journal of Continuing Education in Nursing. Charles B.Slack.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. The Journal of Continuing Education in Nursing. Thorofare, NJ: Charles B.Slack, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. The Journal of Continuing Education in Nursing. Charles B.Slack, 1970.
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