Gay, R. C. (2012). Online Marketing (1st.). Oxford University Press.
芝加哥风格引文Gay, Richard; Charlesworth. Online Marketing. 1st. New Delhi: Oxford University Press, 2012.
MLA引文Gay, Richard; Charlesworth. Online Marketing. 1st. Oxford University Press, 2012.
警告：这些引文格式不一定是100％准确.