Covey, Stephen R. The 7 habits of highly effective people: powerful lessons in personal change [online]. [Place of publication not identified]: RosettaBooks, [2013], ©2013
Covey, S. R. (2013). The 7 habits of highly effective people: Powerful lessons in personal change. [Place of publication not identified]: RosettaBooks.
Styl ChicagoCovey, Stephen R.. The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change. [Place of publication not identified]: RosettaBooks, 2013.
Citace podle MLACovey, Stephen R.. The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change. [Place of publication not identified]: RosettaBooks, 2013.
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