Association for Supervision and Curriculum Development\nNational Education Association of the United States. Dept. of Supervision and Curriculum Development. (1943). Educational Leadership. Association of Supervision and Curriculum Development.
Chicago-referens (17:e uppl.)Association for Supervision and Curriculum Development\nNational Education Association of the United States. Dept. of Supervision and Curriculum Development. Educational Leadership. Washington: Association of Supervision and Curriculum Development, 1943.
MLA-referens (8:e uppl.)Association for Supervision and Curriculum Development\nNational Education Association of the United States. Dept. of Supervision and Curriculum Development. Educational Leadership. Association of Supervision and Curriculum Development, 1943.