APA (7th ed.) Citation

National Association of Secondary School Principals (U.S.). (1987). Developing a mission statement for the middle level school. National Association of Secondary School Principals.

Chicago Style (17th ed.) Citation

National Association of Secondary School Principals (U.S.). Developing a Mission Statement for the Middle Level School. Reston, Va: National Association of Secondary School Principals, 1987.

MLA (9th ed.) Citation

National Association of Secondary School Principals (U.S.). Developing a Mission Statement for the Middle Level School. National Association of Secondary School Principals, 1987.