Dourado Ph. Phil & Blackburn Ph. Phil. (2005). Seven Secrets of Inspired Leaders. West Sussex, Capstone Publishing, 2005.
Chicago-viite (17. p.)Dourado Ph. Phil ja Blackburn Ph. Phil. Seven Secrets of Inspired Leaders. West Sussex, Capstone Publishing, 2005, 2005.
MLA-viite (9. p.)Dourado Ph. Phil ja Blackburn Ph. Phil. Seven Secrets of Inspired Leaders. West Sussex, Capstone Publishing, 2005, 2005.
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