Jeffrey, G. R. (1997). The handwriting of God: Sacred mysteries of the Bible. Frontier Research Publications.
Chicago-čujuhus (17. p.)Jeffrey, Grant R. The Handwriting of God: Sacred Mysteries of the Bible. Toronto, Ont.: Frontier Research Publications, 1997.
MLA-čujuhus (9. p.)Jeffrey, Grant R. The Handwriting of God: Sacred Mysteries of the Bible. Frontier Research Publications, 1997.
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