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.
Cytowanie według stylu Chicago (wyd. 17)Covey, 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.
Cytowanie według stylu MLA (wyd. 8)Covey, 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.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..