O'Sullivan, J. (2009). Leadership skills in the early years: Making a difference. Network Continuum.
Cita Chicago (17th ed.)O'Sullivan, June. Leadership Skills in the Early Years: Making a Difference. London ; New York: Network Continuum, 2009.
Cita MLA (9th ed.)O'Sullivan, June. Leadership Skills in the Early Years: Making a Difference. Network Continuum, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.