Yuen, H. P. L. (1997). An economic perspective on cost, demand and the price structure of water utilities in Singapore.
Chicago Style (17th ed.) CitationYuen, Hazel Phui Ling. An Economic Perspective on Cost, Demand and the Price Structure of Water Utilities in Singapore. 1997.
MLA引文Yuen, Hazel Phui Ling. An Economic Perspective on Cost, Demand and the Price Structure of Water Utilities in Singapore. 1997.
警告：這些引文格式不一定是100％准確.