Koon, C. M. (1938). School Use of Visual Aids: An Interpretative Study of the Data Collected in the National Survey of Visual Instruction in Elementary and Secondary Schools. Bulletin, 1938, No. 4.
Chicago Style (17th ed.) CitationKoon, Cline M. School Use of Visual Aids: An Interpretative Study of the Data Collected in the National Survey of Visual Instruction in Elementary and Secondary Schools. Bulletin, 1938, No. 4. 1938.
MLA (9th ed.) CitationKoon, Cline M. School Use of Visual Aids: An Interpretative Study of the Data Collected in the National Survey of Visual Instruction in Elementary and Secondary Schools. Bulletin, 1938, No. 4. 1938.
Warning: These citations may not always be 100% accurate.