Não informado. (2012). Communicator. National Association of Elementary School Principals.
Chicago-Zitierstil (17. Ausg.)Não informado. Communicator. Alexandria, Va: National Association of Elementary School Principals, 2012.
MLA-Zitierstil (8. Ausg.)Não informado. Communicator. National Association of Elementary School Principals, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.