Não informado. (2012). Communicator. National Association of Elementary School Principals.
Chicagoスタイル(17版)引用形式Não informado. Communicator. Alexandria, Va: National Association of Elementary School Principals, 2012.
MLA(8版)引用形式Não informado. Communicator. National Association of Elementary School Principals, 2012.
警告: この引用は必ずしも正確ではありません.