Doctor, Ken. "The newsonomics of paywalls all over the world." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 8 Mar. 2012. Web. 20 Nov. 2023.
APA
Doctor, K. (2012, Mar. 8). The newsonomics of paywalls all over the world. Nieman Journalism Lab. Retrieved November 20, 2023, from https://www.niemanlab.org/2012/03/the-newsonomics-of-paywalls-all-over-the-world/
Chicago
Doctor, Ken. "The newsonomics of paywalls all over the world." Nieman Journalism Lab. Last modified March 8, 2012. Accessed November 20, 2023. https://www.niemanlab.org/2012/03/the-newsonomics-of-paywalls-all-over-the-world/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2012/03/the-newsonomics-of-paywalls-all-over-the-world/
| title = The newsonomics of paywalls all over the world
| last = Doctor
| first = Ken
| work = [[Nieman Journalism Lab]]
| date = 8 March 2012
| accessdate = 20 November 2023
| ref = {{harvid|Doctor|2012}}
}}
