Gulliford, N. L. (1974). Audio/Visual Ratios in Commercial Filmstrips.
Chicago Style (17th ed.) CitationGulliford, Nancy L. Audio/Visual Ratios in Commercial Filmstrips. 1974.
MLA (9th ed.) CitationGulliford, Nancy L. Audio/Visual Ratios in Commercial Filmstrips. 1974.
Warning: These citations may not always be 100% accurate.