Findahl, O. (1971). The effect of visual illustrations upon perception and retention of news programmes. Audience and Programme Research Dept., Sveriges Radio.
芝加哥风格引文Findahl, Olle. The Effect of Visual Illustrations upon Perception and Retention of News Programmes. Sweden: Audience and Programme Research Dept., Sveriges Radio, 1971.
MLA引文Findahl, Olle. The Effect of Visual Illustrations upon Perception and Retention of News Programmes. Audience and Programme Research Dept., Sveriges Radio, 1971.
警告：这些引文格式不一定是100％准确.