Covey, S. R. (2004). 7 habits of highly effective people. Pocket books.
Chicago Edition CitationCovey, Stephen R. 7 Habits of Highly Effective People. London: Pocket books, 2004.
MLA citiranjeCovey, Stephen R. 7 Habits of Highly Effective People. Pocket books, 2004.
Opozorilo: Ti citati niso vedno 100% točni.