Ferm, V. (1953). The american church of the protestan heritage. Philosophical Library.
Čikaški stil citiranja (17. izdanje)Ferm, Vergilius. The American Church of the Protestan Heritage. Philosophical Library, 1953.
MLA način citiranja (9. izdanje)Ferm, Vergilius. The American Church of the Protestan Heritage. Philosophical Library, 1953.
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