APA-viite (7. p.)
McDowell, J. (1980). Answers to tough questions: Skeptic ask about the christian faith. Here's Life.
Chicago-viite (17. p.)
McDowell, Josh. Answers to Tough Questions: Skeptic Ask About the Christian Faith. San Bernadino: Here's Life, 1980.
MLA-viite (9. p.)
McDowell, Josh. Answers to Tough Questions: Skeptic Ask About the Christian Faith. Here's Life, 1980.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.