Regan, R. E. (1943). Professional secrecy in the light of moral principles: With an application to several important professions. Augustinian Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRegan, Robert Edward. Professional Secrecy in the Light of Moral Principles: With an Application to Several Important Professions. Washington, D. C.: Augustinian Press, 1943.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRegan, Robert Edward. Professional Secrecy in the Light of Moral Principles: With an Application to Several Important Professions. Augustinian Press, 1943.
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