Damazio, F. (2005). 14 tests all leaders must face: Understanding the seasons refinement. City Christian Publishing.
Lua i Stíl Chicago (17ú heag.)Damazio, Frank. 14 Tests All Leaders Must Face: Understanding the Seasons Refinement. Portland, OR: City Christian Publishing, 2005.
Lua MLA (9ú heag.)Damazio, Frank. 14 Tests All Leaders Must Face: Understanding the Seasons Refinement. City Christian Publishing, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.