Sam, C. Y. (2001). Size, causes and consequences of the underground economy in selected countries with particular reference to Singapore.
Chicago Style (17th ed.) CitationSam, Choon Yin. Size, Causes and Consequences of the Underground Economy in Selected Countries with Particular Reference to Singapore. 2001.
MLA引文Sam, Choon Yin. Size, Causes and Consequences of the Underground Economy in Selected Countries with Particular Reference to Singapore. 2001.
警告:這些引文格式不一定是100%准確.