Andersen, Michael. "Selling ads without a sales force: A close look at PaperG’s Flyerboard." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 4 Aug. 2009. Web. 19 Mar. 2025.
APA
Andersen, M. (2009, Aug. 4). Selling ads without a sales force: A close look at PaperG’s Flyerboard. Nieman Journalism Lab. Retrieved March 19, 2025, from https://www.niemanlab.org/2009/08/selling-ads-without-a-sales-force-a-close-look-at-papergs-flyerboard/
Chicago
Andersen, Michael. "Selling ads without a sales force: A close look at PaperG’s Flyerboard." Nieman Journalism Lab. Last modified August 4, 2009. Accessed March 19, 2025. https://www.niemanlab.org/2009/08/selling-ads-without-a-sales-force-a-close-look-at-papergs-flyerboard/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2009/08/selling-ads-without-a-sales-force-a-close-look-at-papergs-flyerboard/
| title = Selling ads without a sales force: A close look at PaperG’s Flyerboard
| last = Andersen
| first = Michael
| work = [[Nieman Journalism Lab]]
| date = 4 August 2009
| accessdate = 19 March 2025
| ref = {{harvid|Andersen|2009}}
}}
