National Association of Elementary School Principals (U.S.). (1980). Principal. National Association of Elementary School Principals.
Style de citation Chicago (17e éd.)National Association of Elementary School Principals (U.S.). Principal. Arlington, Va.: National Association of Elementary School Principals, 1980.
Style de citation MLA (9e éd.)National Association of Elementary School Principals (U.S.). Principal. National Association of Elementary School Principals, 1980.
Attention : ces citations peuvent ne pas être correctes à 100%.