NASSP's Council on Middle Level Education. (1987). Developing a mission statement for the middle level school. National Association of Secondary School Principals.
Chicago Style (17th ed.) CitationNASSP's Council on Middle Level Education. Developing a Mission Statement for the Middle Level School. Reston, Va.: National Association of Secondary School Principals, 1987.
MLA (9th ed.) CitationNASSP's Council on Middle Level Education. Developing a Mission Statement for the Middle Level School. National Association of Secondary School Principals, 1987.
Warning: These citations may not always be 100% accurate.