Covey, Stephen R. The 7 habits of highly effective people: powerful lessons in personal change [online]. New York: Simon & Schuster, 2020
Covey, S. R., & Collins, J. (2020). The 7 habits of highly effective people: Powerful lessons in personal change. New York: Simon & Schuster.
Styl ChicagoCovey, Stephen R.,, and Jim Collins. The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change. New York: Simon & Schuster, 2020.
Citace podle MLACovey, Stephen R.,, and Jim Collins. The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change. New York: Simon & Schuster, 2020.
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