Now that news companies are getting comfortable with the idea of charging digital customers, the question becomes: How much? Here are nine things we’ve learned from early experiments.
Phelps, Andrew. "Piano Media bumps up Slovak paywall price 25 percent." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 13 Feb. 2012. Web. 16 Jun. 2019.
APA
Phelps, A. (2012, Feb. 13). Piano Media bumps up Slovak paywall price 25 percent. Nieman Journalism Lab. Retrieved June 16, 2019, from https://www.niemanlab.org/2012/02/piano-media-bumps-up-slovak-paywall-price-25-percent/
Chicago
Phelps, Andrew. "Piano Media bumps up Slovak paywall price 25 percent." Nieman Journalism Lab. Last modified February 13, 2012. Accessed June 16, 2019. https://www.niemanlab.org/2012/02/piano-media-bumps-up-slovak-paywall-price-25-percent/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2012/02/piano-media-bumps-up-slovak-paywall-price-25-percent/
| title = Piano Media bumps up Slovak paywall price 25 percent
| last = Phelps
| first = Andrew
| work = [[Nieman Journalism Lab]]
| date = 13 February 2012
| accessdate = 16 June 2019
| ref = {{harvid|Phelps|2012}}
}}
