APA
Fullan M., . (2008). The Six Secrets of Change. : Jossey-Bass.
Chicago
Fullan Michael, . 2008. The Six Secrets of Change. : Jossey-Bass.
Harvard
Fullan M., . (2008). The Six Secrets of Change. : Jossey-Bass.
MLA
Fullan Michael, . The Six Secrets of Change. : Jossey-Bass. 2008.