Lua APA (7ú heag.)
McDowell, J., & Stewart Don. (1980). Answers to tough questions: Skeptics ask about the Christian faith. Here's Life Publishers.
Lua i Stíl Chicago (17ú heag.)
McDowell, Josh, agus Stewart Don. Answers to Tough Questions: Skeptics Ask About the Christian Faith. California: Here's Life Publishers, 1980.
Lua MLA (9ú heag.)
McDowell, Josh, agus Stewart Don. Answers to Tough Questions: Skeptics Ask About the Christian Faith. Here's Life Publishers, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.