APA Citation

Packer, K. B. H. a. H. Q. (1950). Preparation and use of audio-visual aids. Prentice-Hall Inc.

Chicago Style Citation

Packer, Kenneth B. Haas and Harry Q. Preparation and Use of Audio-visual Aids. Prentice-Hall Inc, 1950.

MLA Citation

Packer, Kenneth B. Haas and Harry Q. Preparation and Use of Audio-visual Aids. Prentice-Hall Inc, 1950.

Warning: These citations may not always be 100% accurate.