Phelps, Andrew. "Wielki sukces! Piano Media expands its national paywall model to Poland." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 18 Jul. 2012. Web. 24 Oct. 2021.
APA
Phelps, A. (2012, Jul. 18). Wielki sukces! Piano Media expands its national paywall model to Poland. Nieman Journalism Lab. Retrieved October 24, 2021, from https://www.niemanlab.org/2012/07/wielki-sukces-piano-media-expands-its-national-paywall-model-to-poland/
Chicago
Phelps, Andrew. "Wielki sukces! Piano Media expands its national paywall model to Poland." Nieman Journalism Lab. Last modified July 18, 2012. Accessed October 24, 2021. https://www.niemanlab.org/2012/07/wielki-sukces-piano-media-expands-its-national-paywall-model-to-poland/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2012/07/wielki-sukces-piano-media-expands-its-national-paywall-model-to-poland/
| title = Wielki sukces! Piano Media expands its national paywall model to Poland
| last = Phelps
| first = Andrew
| work = [[Nieman Journalism Lab]]
| date = 18 July 2012
| accessdate = 24 October 2021
| ref = {{harvid|Phelps|2012}}
}}
