McBrayer, J. P., & Howard-Snyder, D. (2013). The blackwell companion to the problem of evil. Wiley-Blackwell.
Lua i Stíl Chicago (17ú heag.)McBrayer, Justin P., agus Daniel Howard-Snyder. The Blackwell Companion to the Problem of Evil. Chichester, England: Wiley-Blackwell, 2013.
Lua MLA (9ú heag.)McBrayer, Justin P., agus Daniel Howard-Snyder. The Blackwell Companion to the Problem of Evil. Wiley-Blackwell, 2013.
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