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