Colson, C. (1997). Burden of truth: Defending truth in an age of unbelief. Tyndale.
Lua i Stíl Chicago (17ú heag.)Colson, Charles. Burden of Truth: Defending Truth in an Age of Unbelief. Wheaton: Tyndale, 1997.
Lua MLA (9ú heag.)Colson, Charles. Burden of Truth: Defending Truth in an Age of Unbelief. Tyndale, 1997.
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