APA-čujuhus (7. p.)
Greer, P. 1. (2014). Mission drift: The unspoken crisis facing leaders, charities, and churches. Bethany House Publishers.
Chicago-čujuhus (17. p.)
Greer, Peter 1975. Mission Drift: The Unspoken Crisis Facing Leaders, Charities, and Churches. Minneapolis, Minnesota: Bethany House Publishers, 2014.
MLA-čujuhus (9. p.)
Greer, Peter 1975. Mission Drift: The Unspoken Crisis Facing Leaders, Charities, and Churches. Bethany House Publishers, 2014.
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