Colvin, G. (2007). 7 steps for developing a proactive schoolwide discipline plan: A guide for principals and leadership teams. Corwin Press.
Chicago Style (17th ed.) CitationColvin, Geoffrey. 7 Steps for Developing a Proactive Schoolwide Discipline Plan: A Guide for Principals and Leadership Teams. Thousand Oaks, Calif: Corwin Press, 2007.
MLA (9th ed.) CitationColvin, Geoffrey. 7 Steps for Developing a Proactive Schoolwide Discipline Plan: A Guide for Principals and Leadership Teams. Corwin Press, 2007.
Warning: These citations may not always be 100% accurate.