APA

De Kieffer R. E., Cochran L. W., . (1955). Manual of audio-visual techniques. Englewood Cliffs, N.J: Prentice-Hall.

Chicago

De Kieffer Robert E, Cochran Lee W, . 1955. Manual of audio-visual techniques. Englewood Cliffs, N.J: Prentice-Hall.

Harvard

De Kieffer R. E., Cochran L. W., . (1955). Manual of audio-visual techniques. Englewood Cliffs, N.J: Prentice-Hall.

MLA

De Kieffer Robert E, Cochran Lee W, . Manual of audio-visual techniques. Englewood Cliffs, N.J: Prentice-Hall. 1955.