Covey, S. R. (2004). 8th Habit from effectiveness to greatness (Audio Book). Simon & Schuster Inc.
Chicago Style (17th ed.) CitationCovey, Stephen R. 8th Habit from Effectiveness to Greatness (Audio Book). New York: Simon & Schuster Inc, 2004.
MLA citiranjeCovey, Stephen R. 8th Habit from Effectiveness to Greatness (Audio Book). Simon & Schuster Inc, 2004.
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