Greif, E. L. (1964). The silent pulpit: A guide to church public relations ([1st ed.].). Holt, Rinehart and Winston.
Lua i Stíl Chicago (17ú heag.)Greif, Edward L. The Silent Pulpit: A Guide to Church Public Relations. [1st ed.]. New York: Holt, Rinehart and Winston, 1964.
Lua MLA (8ú heag.)Greif, Edward L. The Silent Pulpit: A Guide to Church Public Relations. [1st ed.]. Holt, Rinehart and Winston, 1964.
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