Spengler, E. H. 1., & Klein, J. 1. (1955). Introduction to business. McGraw-Hill.
芝加哥风格引文Spengler, Edwin Harold 1906, 与 Jacob 1896 Klein. Introduction to Business. New York: McGraw-Hill, 1955.
MLA引文Spengler, Edwin Harold 1906, 与 Jacob 1896 Klein. Introduction to Business. McGraw-Hill, 1955.
警告:这些引文格式不一定是100%准确.