Não informado. (1970). American secondary education. Ohio Association of Secondary School Administrators.
Cita Chicago Style (17a ed.)Não informado. American Secondary Education. Akron, Ohio: Ohio Association of Secondary School Administrators, 1970.
Cita MLA (8a ed.)Não informado. American Secondary Education. Ohio Association of Secondary School Administrators, 1970.
Precaución: Estas citas no son 100% exactas.