Barrett, E. B. (1927). The Jesuit enigma. Boni & Liveright.
Lua i Stíl Chicago (17ú heag.)Barrett, E. Boyd. The Jesuit Enigma. New York: Boni & Liveright, 1927.
Lua MLA (8ú heag.)Barrett, E. Boyd. The Jesuit Enigma. Boni & Liveright, 1927.
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