Burke, Steven (December 19, 2003). "Citrix Acquires Expertcity". CRN. Archived from the original on November 1, 2020. Retrieved October 26, 2020.
doi.org
Byrd, N. (2020). Online Conferences: Some History, Methods, and Benefits. In Right Research: Modelling Sustainable Research Practices in the Anthropocene. Open Book Publishers. https://doi.org/10.7939/r3-q6mq-0004Archived 2023-06-30 at the Wayback Machine
"Trademark Status for Webinar". United States Patent and Trademark Office. July 10, 2007. Archived from the original on April 4, 2013. Retrieved January 14, 2015.
Byrd, N. (2020). Online Conferences: Some History, Methods, and Benefits. In Right Research: Modelling Sustainable Research Practices in the Anthropocene. Open Book Publishers. https://doi.org/10.7939/r3-q6mq-0004Archived 2023-06-30 at the Wayback Machine
"Trademark Status for Webinar". United States Patent and Trademark Office. July 10, 2007. Archived from the original on April 4, 2013. Retrieved January 14, 2015.