APA-viite (7. p.)
Strobel, L., & Hybels, B. (1993). Inside the mind of unchurched Harry & Mary: How to reach friends and family who avoid God and the church. Zondervan Publishing house.
Chicago-viite (17. p.)
Strobel, Lee, ja Bill Hybels. Inside the Mind of Unchurched Harry & Mary: How to Reach Friends and Family Who Avoid God and the Church. Michigan: Zondervan Publishing house, 1993.
MLA-viite (9. p.)
Strobel, Lee, ja Bill Hybels. Inside the Mind of Unchurched Harry & Mary: How to Reach Friends and Family Who Avoid God and the Church. Zondervan Publishing house, 1993.
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