Shefsky, L. E. (1994). Entrepreneurs are made not born. McGraw-Hill.
芝加哥风格引文Shefsky, Lloyd E. Entrepreneurs Are Made Not Born. New York: McGraw-Hill, 1994.
MLA引文Shefsky, Lloyd E. Entrepreneurs Are Made Not Born. McGraw-Hill, 1994.
警告：这些引文格式不一定是100％准确.