Omniglot: Ewe (Eʋegbe) (1998–). Retrieved 21 January 2012. http://www.omniglot.com/writing/ewe.htm
The Unicode Standard: Latin Extended-B (1991–2010). Retrieved 21 January 2012. http://unicode.org/charts/PDF/U0180.pdf
The Unicode Standard: IPA Extensions (1991–2010). Retrieved 21 January 2012. http://unicode.org/charts/PDF/U0250.pdf