Lua APA (7ú heag.)
Koeng, R. E. (1969). If God is God: Conversations on faith, doubt, freedom and love. Tyndale House Publishers.
Lua i Stíl Chicago (17ú heag.)
Koeng, Richard Edwin. If God Is God: Conversations on Faith, Doubt, Freedom and Love. Wheaton: Tyndale House Publishers, 1969.
Lua MLA (9ú heag.)
Koeng, Richard Edwin. If God Is God: Conversations on Faith, Doubt, Freedom and Love. Tyndale House Publishers, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.