Cita APA (7a ed.)
National Association of Secondary School Principals (U.S.). NASSP bulletin. [National Association of Secondary School Principals].
Cita Chicago Style (17a ed.)
National Association of Secondary School Principals (U.S.). NASSP Bulletin. [Reston, Va.]: [National Association of Secondary School Principals].
Cita MLA (9a ed.)
National Association of Secondary School Principals (U.S.). NASSP Bulletin. [National Association of Secondary School Principals].
Precaución: Estas citas no son 100% exactas.