Παραπομπή σε μορφή APA (7η εκδ.)

Regan, R. E. (1943). Professional secrecy in the light of moral principles: With an application to several important professions. Augustinian Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Regan, Robert Edward. Professional Secrecy in the Light of Moral Principles: With an Application to Several Important Professions. Washington, D. C.: Augustinian Press, 1943.

Παραπομπή σε μορφή MLA (8th εκδ.)

Regan, Robert Edward. Professional Secrecy in the Light of Moral Principles: With an Application to Several Important Professions. Augustinian Press, 1943.