Doctor, Ken. "The newsonomics of ARPU." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 4 Aug. 2011. Web. 2 Jun. 2023.
APA
Doctor, K. (2011, Aug. 4). The newsonomics of ARPU. Nieman Journalism Lab. Retrieved June 2, 2023, from https://www.niemanlab.org/2011/08/the-newsonomics-of-arpu/
Chicago
Doctor, Ken. "The newsonomics of ARPU." Nieman Journalism Lab. Last modified August 4, 2011. Accessed June 2, 2023. https://www.niemanlab.org/2011/08/the-newsonomics-of-arpu/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2011/08/the-newsonomics-of-arpu/
| title = The newsonomics of ARPU
| last = Doctor
| first = Ken
| work = [[Nieman Journalism Lab]]
| date = 4 August 2011
| accessdate = 2 June 2023
| ref = {{harvid|Doctor|2011}}
}}
