HOFFMANN MICHAEL. (2019). 100 WONDERS OF WORLD (2012 Ed.). PARRAGON BOOK PUBLISHERS.
芝加哥风格引文HOFFMANN MICHAEL. 100 WONDERS OF WORLD. 2012 Ed. LONDON: PARRAGON BOOK PUBLISHERS, 2019.
MLA引文HOFFMANN MICHAEL. 100 WONDERS OF WORLD. 2012 Ed. PARRAGON BOOK PUBLISHERS, 2019.
警告：这些引文格式不一定是100％准确.