Damazio, F. (2005). 14 tests all leaders must face: Understanding the seasons refinement. City Christian Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDamazio, Frank. 14 Tests All Leaders Must Face: Understanding the Seasons Refinement. Portland, OR: City Christian Publishing, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDamazio, Frank. 14 Tests All Leaders Must Face: Understanding the Seasons Refinement. City Christian Publishing, 2005.
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