里根 & 陈海宏. (2007). 愚昧改变历史: Ignorance changed history. 山东画报出版社.
Dyfyniad Arddull Chicago里根 and 陈海宏. 愚昧改变历史: Ignorance Changed History. 山东画报出版社, 2007.
Dyfyniad MLA里根 and 陈海宏. 愚昧改变历史: Ignorance Changed History. 山东画报出版社, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.