APA-čujuhus (7. p.)
Root, J. (2010). C. S. Lewis and a problem of evil: An investigation of a pervasive theme. James Clarke & Co.
Chicago-čujuhus (17. p.)
Root, Jerry. C. S. Lewis and a Problem of Evil: An Investigation of a Pervasive Theme. Cambridge, England: James Clarke & Co, 2010.
MLA-čujuhus (9. p.)
Root, Jerry. C. S. Lewis and a Problem of Evil: An Investigation of a Pervasive Theme. James Clarke & Co, 2010.
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