房龙 & VanLoon. (2003). 房龙传: The Story of Hendrik Willem Van Loon. 北京出版社.
Citación estilo Chicago房龙 and VanLoon. 房龙传: The Story of Hendrik Willem Van Loon. 北京出版社, 2003.
Cita MLA房龙 and VanLoon. 房龙传: The Story of Hendrik Willem Van Loon. 北京出版社, 2003.
警告：这些引文格式不一定是100％准确.