Kingsnorth, S. (2019). Digital marketing strategy. Kogan Page Ltd.
芝加哥风格引文Kingsnorth, Simon. Digital Marketing Strategy. London: Kogan Page Ltd, 2019.
MLA引文Kingsnorth, Simon. Digital Marketing Strategy. Kogan Page Ltd, 2019.
警告：这些引文格式不一定是100％准确.
APA引文