Findahl, O. (1971). The effect of visual illustrations upon perception and retention of news programmes. Audience and Programme Research Dept., Sveriges Radio.
Citace podle Chicago (17th ed.)Findahl, Olle. The Effect of Visual Illustrations upon Perception and Retention of News Programmes. Sweden: Audience and Programme Research Dept., Sveriges Radio, 1971.
Citace podle MLA (8th ed.)Findahl, Olle. The Effect of Visual Illustrations upon Perception and Retention of News Programmes. Audience and Programme Research Dept., Sveriges Radio, 1971.
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