Cita APA (7a ed.)

National Association of Secondary School Principals (U.S.). NASSP bulletin. Sage Publications.

Cita Chicago Style (17a ed.)

National Association of Secondary School Principals (U.S.). NASSP Bulletin. Thousand Oaks, CA: Sage Publications.

Cita MLA (9a ed.)

National Association of Secondary School Principals (U.S.). NASSP Bulletin. Sage Publications.

Precaución: Estas citas no son 100% exactas.