Covey, S. R. (2008). The leader in me: How schools and parents around the world are inspiring greatness, one child at a time (1st Free Press hardcover ed.). Free Press ; Simon & Schuster.
Dyfyniad Arddull ChicagoCovey, Stephen R. The Leader in Me: How Schools and Parents Around the World Are Inspiring Greatness, One Child at a Time. 1st Free Press hardcover ed. New York : London: Free Press ; Simon & Schuster, 2008.
Dyfyniad MLACovey, Stephen R. The Leader in Me: How Schools and Parents Around the World Are Inspiring Greatness, One Child at a Time. 1st Free Press hardcover ed. Free Press ; Simon & Schuster, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.