APA (7. basım) Alıntı

National Association of Elementary School Principals (U.S.). (1980). Principal. National Association of Elementary School Principals.

Chicago Style (17. basım) Atıf

National Association of Elementary School Principals (U.S.). Principal. Arlington, Va.: National Association of Elementary School Principals, 1980.

MLA (9th ed.) Atıf

National Association of Elementary School Principals (U.S.). Principal. National Association of Elementary School Principals, 1980.