Etzel, M. J., Stanton, W. J., & Walker, B. J. (1997). Marketing (11th ed.). McGraw Hill.
芝加哥风格引文Etzel, Michael J., William J. Stanton, 与 Bruce J. Walker. Marketing. 11th ed. New York: McGraw Hill, 1997.
MLA引文Etzel, Michael J., et al. Marketing. 11th ed. McGraw Hill, 1997.
警告：这些引文格式不一定是100％准确.