National Association of Secondary School Principals (U.S.). (1993). The high school magazine. National Association of Secondary School Principals.
Chicago-Zitierstil (17. Ausg.)National Association of Secondary School Principals (U.S.). The High School Magazine. Reston, Va: National Association of Secondary School Principals, 1993.
MLA-Zitierstil (9. Ausg.)National Association of Secondary School Principals (U.S.). The High School Magazine. National Association of Secondary School Principals, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.