Èdè Gẹ̀ẹ́sì Àdàkọ:Wikipedia xLingua: Onitumọ̀-Online Gẹ̀ẹ́sì-Yorùbá / Yorùbá-Gẹ̀ẹ́sì VocApp "English, a. and n." The Oxford English Dictionary. 2nd ed. 1989. OED Online. Oxford University Press. 6 September 2007 <http://dictionary.oed.com/cgi/entry/50075365 see: Ethnologue (1984 estimate); The Triumph of English, The Economist, Dec. 20th, 2001; Ethnologue (1999 estimate); "20,000 Teaching Jobs" (in English). Oxford Seminars. Retrieved 2007-02-18. CS1 maint: Unrecognized language (link); "Lecture 7: World-Wide English". EHistLing. Retrieved 2007-03-26.  "Lecture 7: World-Wide English". EHistLing. Retrieved 2007-03-26.