(2015). HISTORY of the world: Earliest times to the present day. World Publications Group, 2015. 921p.
芝加哥风格引文HISTORY of the World: Earliest Times to the Present Day. World Publications Group, 2015. 921p, 2015.
MLA引文HISTORY of the World: Earliest Times to the Present Day. World Publications Group, 2015. 921p, 2015.
警告：这些引文格式不一定是100％准确.