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. 1 Jun. 2023.
APA
Phelps, A. (2012, Jul. 18). Wielki sukces! Piano Media expands its national paywall model to Poland. Nieman Journalism Lab. Retrieved June 1, 2023, 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 June 1, 2023. 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 = 1 June 2023
| ref = {{harvid|Phelps|2012}}
}}
