Bradberry Travis. (2012). Leadership 2.0. TalentSmart.
Cita Chicago (17th ed.)Bradberry Travis. Leadership 2.0. San Diego(CA): TalentSmart, 2012.
Cita MLA (9th ed.)Bradberry Travis. Leadership 2.0. TalentSmart, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.