Barclay, O. R. (1974). Reasons for faith. Intervasity.
Lua i Stíl Chicago (17ú heag.)Barclay, Oliver R. Reasons for Faith. Illinois: Intervasity, 1974.
Lua MLA (9ú heag.)Barclay, Oliver R. Reasons for Faith. Intervasity, 1974.
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