Covey, S. R. (2013). The 7 Habits of Highly Effective People. Simon & Schuster.
Čikaški stil citiranja (17. izdanje)Covey, Stephen R. The 7 Habits of Highly Effective People. UK: Simon & Schuster, 2013.
MLA način citiranja (9. izdanje)Covey, Stephen R. The 7 Habits of Highly Effective People. Simon & Schuster, 2013.
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