Riddle, D. (2008). Leadership Coaching: When It's Right, When You're Ready. Center for Creative Leadership.
Cita Chicago Style (17a ed.)Riddle, Douglas. Leadership Coaching: When It's Right, When You're Ready. Center for Creative Leadership, 2008.
Cita MLA (9a ed.)Riddle, Douglas. Leadership Coaching: When It's Right, When You're Ready. Center for Creative Leadership, 2008.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.