Damazio, F. (2005). 14 tests all leaders must face: Understanding the seasons refinement. City Christian Publishing.
Chicago-viite (17. p.)Damazio, Frank. 14 Tests All Leaders Must Face: Understanding the Seasons Refinement. Portland, OR: City Christian Publishing, 2005.
MLA-viite (9. p.)Damazio, Frank. 14 Tests All Leaders Must Face: Understanding the Seasons Refinement. City Christian Publishing, 2005.
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