Steve Parker. (2008). Great Junior Encyclopedia - Our World (2013.). Parragon Publication.
芝加哥风格引文Steve Parker. Great Junior Encyclopedia - Our World. 2013. Parragon Publication, 2008.
MLA引文Steve Parker. Great Junior Encyclopedia - Our World. 2013. Parragon Publication, 2008.
警告：这些引文格式不一定是100％准确.