Seward, Zachary M.. "At National Post, two-dimensional barcodes link print readers to web." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 7 Oct. 2009. Web. 29 Mar. 2023.
APA
Seward, Z. (2009, Oct. 7). At National Post, two-dimensional barcodes link print readers to web. Nieman Journalism Lab. Retrieved March 29, 2023, from https://www.niemanlab.org/2009/10/at-national-post-two-dimensional-barcodes-link-print-readers-to-web/
Chicago
Seward, Zachary M.. "At National Post, two-dimensional barcodes link print readers to web." Nieman Journalism Lab. Last modified October 7, 2009. Accessed March 29, 2023. https://www.niemanlab.org/2009/10/at-national-post-two-dimensional-barcodes-link-print-readers-to-web/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2009/10/at-national-post-two-dimensional-barcodes-link-print-readers-to-web/
| title = At National Post, two-dimensional barcodes link print readers to web
| last = Seward
| first = Zachary M.
| work = [[Nieman Journalism Lab]]
| date = 7 October 2009
| accessdate = 29 March 2023
| ref = {{harvid|Seward|2009}}
}}
