Covey, S. R. (2006). The 8th habit: From effectiveness to greatness (Miniature ed.). Running Press.
Čikaški stil citiranja (17. izdanje)Covey, Stephen R. The 8th Habit: From Effectiveness to Greatness. Miniature ed. Philadelphia, PA: Running Press, 2006.
MLA način citiranja (8. izdanje)Covey, Stephen R. The 8th Habit: From Effectiveness to Greatness. Miniature ed. Running Press, 2006.
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