Douglass, H. E. (2006). Truth matters: An analysis of the purpose driven life movement. Pacific Press.
Chicago-viite (17. p.)Douglass, Herbert Edgar. Truth Matters: An Analysis of the Purpose Driven Life Movement. Nampa ID: Pacific Press, 2006.
MLA-viite (9. p.)Douglass, Herbert Edgar. Truth Matters: An Analysis of the Purpose Driven Life Movement. Pacific Press, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.