Nicholson, S. (2006). E-encyclopedia. Dorling Kindersley.
芝加哥风格引文Nicholson, Sue. E-encyclopedia. New Delhi: Dorling Kindersley, 2006.
MLA引文Nicholson, Sue. E-encyclopedia. Dorling Kindersley, 2006.
警告：这些引文格式不一定是100％准确.
APA引文