刘小涵. (2011). 打嗝和放屁是怎么回事？. 北京出版社.
Chicago Style (17th ed.) Citation刘小涵. 打嗝和放屁是怎么回事？. 北京出版社, 2011.
MLA (8th ed.) Citation刘小涵. 打嗝和放屁是怎么回事？. 北京出版社, 2011.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation