Thygerson, A. L. (1987). First aid and emergency care workbook. Jones and Bartlett Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThygerson, Alton L. First Aid and Emergency Care Workbook. Boston: Jones and Bartlett Publishers, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThygerson, Alton L. First Aid and Emergency Care Workbook. Jones and Bartlett Publishers, 1987.
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