"OK, adj., int.1, n.2, and adv." OED Online. Oxford University Press, December 2021. Web. 5 December 2021.

"OK, adj., int.1, n.2, and adv." OED Online, Oxford University Press, December 2021, www.oed.com/viewdictionaryentry/Entry/130925;jsessionid=89380AA8FFEDC331AE84890649F4D7B2. Accessed 5 December 2021.

"OK, adj., int.1, n.2, and adv.". OED Online. December 2021. Oxford University Press. https://www.oed.com/viewdictionaryentry/Entry/130925;jsessionid=89380AA8FFEDC331AE84890649F4D7B2 (accessed December 05, 2021).