Macintosh, D. C. (1940). The problem of religious knowledge. Harper & Brothers.
Lua i Stíl Chicago (17ú heag.)Macintosh, Douglas Clyde. The Problem of Religious Knowledge. New York: Harper & Brothers, 1940.
Lua MLA (9ú heag.)Macintosh, Douglas Clyde. The Problem of Religious Knowledge. Harper & Brothers, 1940.
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