Não informado. (1999). High school magazine: For principals, assistant principals, and all high school leaders. National Association of Secondary School Principals.
Style de citation Chicago (17e éd.)Não informado. High School Magazine: For Principals, Assistant Principals, and All High School Leaders. Reston, Va: National Association of Secondary School Principals, 1999.
Style de citation MLA (8e éd.)Não informado. High School Magazine: For Principals, Assistant Principals, and All High School Leaders. National Association of Secondary School Principals, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.