Ho, K. Y. (1998). Gastrooesophageal reflux disease in Singapore.
Chicago Style (17th ed.) CitationHo, Khek Yu. Gastrooesophageal Reflux Disease in Singapore. 1998.
MLA引文Ho, Khek Yu. Gastrooesophageal Reflux Disease in Singapore. 1998.
警告:這些引文格式不一定是100%准確.