Ojanpera, S., Graham, M., & Zook, M. (2019). The digital knowledge economy index: Mapping content production. Routledge.
芝加哥风格引文Ojanpera, S., M. Graham, 与 M. Zook. The Digital Knowledge Economy Index: Mapping Content Production. Routledge, 2019.
MLA引文Ojanpera, S., et al. The Digital Knowledge Economy Index: Mapping Content Production. Routledge, 2019.
警告：这些引文格式不一定是100％准确.