Montgomery, J. W. (1973). Christianity for the tough minded: Essays in support of an intellectally. Bethany fellowship.
Chicago-viite (17. p.)Montgomery, John Warwick. Christianity for the Tough Minded: Essays in Support of an Intellectally. Minneapolis: Bethany fellowship, 1973.
MLA-viite (9. p.)Montgomery, John Warwick. Christianity for the Tough Minded: Essays in Support of an Intellectally. Bethany fellowship, 1973.
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