De Kieffer, R. E., & Cochran, L. W. (1955). Manual of audio visual techniques. Prentice Hall.
Chicago Style (17th ed.) CitationDe Kieffer, Robert Eulette, and Lee W. Cochran. Manual of Audio Visual Techniques. Englewood Cliffs: Prentice Hall, 1955.
MLA (9th ed.) CitationDe Kieffer, Robert Eulette, and Lee W. Cochran. Manual of Audio Visual Techniques. Prentice Hall, 1955.