FERGUSON, Niall. Empire: The Rise and Demise of the British World Order and the Lessons for Global Power. [s.l.] : Basic Books, 2004b. Dostupné online.ISBN 978-0-465-02329-5.
bbc.co.uk
How English evolved into a global language. BBC News (BBC), 20 December 2010. Dostupné online [cit. 2015-08-09].
manchester.ac.uk
childrensuniversity.manchester.ac.uk
How the English Language has evolved through history [online]. Manchester University. Dostupné online. Archivované 2017-10-10 z originálu.
sav.sk
beliana.sav.sk
anglická literatúra. In: Encyclopaedia Beliana [online]. Bratislava: Slovenská akadémia vied, 2018-06-03, [cit. 2024-06-16]. Dostupné online.
web.archive.org
How the English Language has evolved through history [online]. Manchester University. Dostupné online. Archivované 2017-10-10 z originálu.