APA(7版)引用形式

Não informado. (1932). National Elementary Principal. National Association of Elementary School Principals.

Chicagoスタイル(17版)引用形式

Não informado. National Elementary Principal. Arlington, Va: National Association of Elementary School Principals, 1932.

MLA(8版)引用形式

Não informado. National Elementary Principal. National Association of Elementary School Principals, 1932.

警告: この引用は必ずしも正確ではありません.