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