APA(7版)引用形式

Não informado. (1926). Bulletin of the National Association of Secondary School Principals. National Association of Secondary School Principals.

Chicagoスタイル(17版)引用形式

Não informado. Bulletin of the National Association of Secondary School Principals. Washington: National Association of Secondary School Principals, 1926.

MLA(8版)引用形式

Não informado. Bulletin of the National Association of Secondary School Principals. National Association of Secondary School Principals, 1926.

警告: この引用は必ずしも正確ではありません.