Park, E. A. (1830). The duty of professing religion. American Doctrinal Tract Society.
Čikaški stil citiranja (17. izdanje)Park, Edwards Amasa. The Duty of Professing Religion. [Boston]: American Doctrinal Tract Society, 1830.
MLA način citiranja (8. izdanje)Park, Edwards Amasa. The Duty of Professing Religion. American Doctrinal Tract Society, 1830.
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