Cita APA (7th ed.)
Bell, L., Bush, T., & Middlewood, D. (2010). The principles of educational leadership and management (2nd ed.). Sage.
Cita Chicago (17th ed.)
Bell, Les, Tony Bush, i David Middlewood. The Principles of Educational Leadership and Management. 2nd ed. Los Angeles: Sage, 2010.
Cita MLA (9th ed.)
Bell, Les, et al. The Principles of Educational Leadership and Management. 2nd ed. Sage, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.