„The First ISP“. Indra.com (1992-yil 13-avgust). 2016-yil 5-martda asl nusxadan arxivlangan. Qaraldi: 2017-yil 5-iyul.
internetsociety.org
„Brief History of the Internet“. Internet Society. — „It happened that the work at MIT (1961—1967), at RAND (1962—1965), and at NPL (1964—1967) had all proceeded in parallel without any of the researchers knowing about the other work. The word "packet" was adopted from the work at NPL“. Qaraldi: 2017-yil 4-iyul.
