National Association of Elementary School Principals (U.S.) & National Education Association of the United States. Department of Elementary School Principals. The National elementary principal. National Association of Elementary School Principals.
Chicago-Zitierstil (17. Ausg.)National Association of Elementary School Principals (U.S.) und National Education Association of the United States. Department of Elementary School Principals. The National Elementary Principal. Arlington, Va: National Association of Elementary School Principals.
MLA-Zitierstil (9. Ausg.)National Association of Elementary School Principals (U.S.) und National Education Association of the United States. Department of Elementary School Principals. The National Elementary Principal. National Association of Elementary School Principals.