房龙 & VanLoon. (2003). 房龙传: The Story of Hendrik Willem Van Loon. 北京出版社.
Chicago Style (17th ed.) Citation房龙 and VanLoon. 房龙传: The Story of Hendrik Willem Van Loon. 北京出版社, 2003.
MLA (8th ed.) Citation房龙 and VanLoon. 房龙传: The Story of Hendrik Willem Van Loon. 北京出版社, 2003.
Warning: These citations may not always be 100% accurate.