Rock, D. A. (1966). Report of the junior high-school principalship. National Association of Secondary School Principals.
Chicago-Zitierstil (17. Ausg.)Rock, Donald A. Report of the Junior High-school Principalship. Washington: National Association of Secondary School Principals, 1966.
MLA-Zitierstil (9. Ausg.)Rock, Donald A. Report of the Junior High-school Principalship. National Association of Secondary School Principals, 1966.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.