APA-ийн эшлэл(7 дахь хэвлэлт)

Root, J. (2010). C. S. Lewis and a problem of evil: An investigation of a pervasive theme. James Clarke & Co.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Root, Jerry. C. S. Lewis and a Problem of Evil: An Investigation of a Pervasive Theme. Cambridge, England: James Clarke & Co, 2010.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Root, Jerry. C. S. Lewis and a Problem of Evil: An Investigation of a Pervasive Theme. James Clarke & Co, 2010.