Não informado. (1999). High school magazine: For principals, assistant principals, and all high school leaders. National Association of Secondary School Principals.
Citação do estilo Chicago (17ª ed.)Não informado. High School Magazine: For Principals, Assistant Principals, and All High School Leaders. Reston, Va: National Association of Secondary School Principals, 1999.
Citação MLA (8ª ed.)Não informado. High School Magazine: For Principals, Assistant Principals, and All High School Leaders. National Association of Secondary School Principals, 1999.
警告：这些引文格式不一定是100％准确.