Cowan, D., Joyner, S., & Beckwith, S. (2012). Getting serious about the system: A fieldbook for district and school leaders. Corwin.
Cita Chicago (17th ed.)Cowan, D'Ette, Stacey Joyner, i Shirley Beckwith. Getting Serious About the System: A Fieldbook for District and School Leaders. Thousand Oaks, Ventura County, California: Corwin, 2012.
Cita MLA (9th ed.)Cowan, D'Ette, et al. Getting Serious About the System: A Fieldbook for District and School Leaders. Corwin, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.
