APA
(1949). American school buildings: Twenty-seventh year book. Washington, USA: American Association of School Administrators.
Chicago
1949. American school buildings: Twenty-seventh year book. Washington, USA: American Association of School Administrators.
Harvard
(1949). American school buildings: Twenty-seventh year book. Washington, USA: American Association of School Administrators.
MLA
American school buildings: Twenty-seventh year book. Washington, USA: American Association of School Administrators. 1949.
