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. 17 Apr. 2024.
APA
Phelps, A. (2012, Jul. 18). Wielki sukces! Piano Media expands its national paywall model to Poland. Nieman Journalism Lab. Retrieved April 17, 2024, 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 April 17, 2024. 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 = 17 April 2024
| ref = {{harvid|Phelps|2012}}
}}
