Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.