Etzel Michael J., Bruce J. Walker, & William J. Stanton. Marketing (13th edition.). Tata McGraw hill.
芝加哥风格引文Etzel Michael J., Bruce J. Walker, 与 William J. Stanton. Marketing. 13th edition. New Delhi: Tata McGraw hill.
MLA引文Etzel Michael J., et al. Marketing. 13th edition. Tata McGraw hill.
警告：这些引文格式不一定是100％准确.