Word processing: Selection, implementation and uses. Online Conferences Ltd. : 1979.
芝加哥风格引文Word Processing: Selection, Implementation and Uses. Uxbridge, Middlesex: Online Conferences Ltd. : 1979.
MLA引文Word Processing: Selection, Implementation and Uses. Online Conferences Ltd. : 1979.
警告：这些引文格式不一定是100％准确.