Cita APA (7a ed.)

National Association of Elementary School Principals (U.S.). (1980). Principal. National Association of Elementary School Principals.

Cita Chicago Style (17a ed.)

National Association of Elementary School Principals (U.S.). Principal. Arlington, Va.: National Association of Elementary School Principals, 1980.

Cita MLA (9a ed.)

National Association of Elementary School Principals (U.S.). Principal. National Association of Elementary School Principals, 1980.