Frazier, A. (1972). Open schools for children. Association for Supervision and Curriculum Development.
Chicago-referens (17:e uppl.)Frazier, Alexander. Open Schools for Children. Washington, DC: Association for Supervision and Curriculum Development, 1972.
MLA-referens (9:e uppl.)Frazier, Alexander. Open Schools for Children. Association for Supervision and Curriculum Development, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.