Goleman Daniel. (2013). Focus: Hidden Driver of Excellence. Bloomsbury.
Cita Chicago (17th ed.)Goleman Daniel. Focus: Hidden Driver of Excellence. Bloomsbury, 2013.
Cita MLA (9th ed.)Goleman Daniel. Focus: Hidden Driver of Excellence. Bloomsbury, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.