Wurfel, S. W. 1. (1965). Foreign enterprise in Colombia: Laws and policies. University of North Carolina Press.
芝加哥风格引文Wurfel, Seymour W. 1907. Foreign Enterprise in Colombia: Laws and Policies. Chapel Hill: University of North Carolina Press, 1965.
MLA引文Wurfel, Seymour W. 1907. Foreign Enterprise in Colombia: Laws and Policies. University of North Carolina Press, 1965.
警告：这些引文格式不一定是100％准确.