Colborn, J. (2006). Search Marketing Strategies (5th.). Prentice-Hall of India.
芝加哥风格引文Colborn, James. Search Marketing Strategies. 5th. New Delhi: Prentice-Hall of India, 2006.
MLA引文Colborn, James. Search Marketing Strategies. 5th. Prentice-Hall of India, 2006.
警告：这些引文格式不一定是100％准确.