APA-viite (7. p.)
Piper, J. (2013). Brothers, we are not professionals: A plea to pastors for radical ministry. B & H Publishing Group.
Chicago-viite (17. p.)
Piper, John. Brothers, We Are Not Professionals: A Plea to Pastors for Radical Ministry. Nashville, Tennessee: B & H Publishing Group, 2013.
MLA-viite (9. p.)
Piper, John. Brothers, We Are Not Professionals: A Plea to Pastors for Radical Ministry. B & H Publishing Group, 2013.
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