Hu, G. (2001). Composition and acidity of rainwater in Singapore.
Chicago Style (17th ed.) CitationHu, Guiping. Composition and Acidity of Rainwater in Singapore. 2001.
MLA引文Hu, Guiping. Composition and Acidity of Rainwater in Singapore. 2001.
警告：這些引文格式不一定是100％准確.