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.
Cytowanie według stylu Chicago (wyd. 17)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.
Cytowanie według stylu MLA (wyd. 8)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.