APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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