Cita APA (7th ed.)

National Education Association of the United States. Dept. of Audio-Visual Instruction. (1952). Planning schools for use of audio-visual materials. no.1-. s. n.

Cita Chicago (17th ed.)

National Education Association of the United States. Dept. of Audio-Visual Instruction. Planning Schools for Use of Audio-visual Materials. No.1-. Washington: s. n, 1952.

Cita MLA (9th ed.)

National Education Association of the United States. Dept. of Audio-Visual Instruction. Planning Schools for Use of Audio-visual Materials. No.1-. s. n, 1952.