Biebel, D. B. (1989). If God is so good, why do I hurt so bad? Spire.
Lua i Stíl Chicago (17ú heag.)Biebel, David B. If God Is so Good, Why Do I Hurt so Bad? Grand Rapids: Spire, 1989.
Lua MLA (9ú heag.)Biebel, David B. If God Is so Good, Why Do I Hurt so Bad? Spire, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.