Cita APA

National Association of Secondary School Principals (U.S.). Division of Student Activities. (1988). Leadership for student activities. National Association of Secondary School Principals, Division of Student Activities.

Citación estilo Chicago

National Association of Secondary School Principals (U.S.). Division of Student Activities. Leadership for Student Activities. [Reston, Va.: National Association of Secondary School Principals, Division of Student Activities, 1988.

Cita MLA

National Association of Secondary School Principals (U.S.). Division of Student Activities. Leadership for Student Activities. National Association of Secondary School Principals, Division of Student Activities, 1988.