Frost, R., & Strauss, J. F. (2019). E-marketing (8th.). Routledge.
芝加哥风格引文Frost, Raymond, 与 Judy Fox Strauss. E-marketing. 8th. New York, NY: Routledge, 2019.
MLA引文Frost, Raymond, 与 Judy Fox Strauss. E-marketing. 8th. Routledge, 2019.
警告：这些引文格式不一定是100％准确.