APA-viite (7. p.)
Lyon, D. (1979). Karl Marx: A Christian assessment of His life & thought. InterVarsity Press.
Chicago-viite (17. p.)
Lyon, David. Karl Marx: A Christian Assessment of His Life & Thought. Illinois: InterVarsity Press, 1979.
MLA-viite (9. p.)
Lyon, David. Karl Marx: A Christian Assessment of His Life & Thought. InterVarsity Press, 1979.
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