"OK, adj., int.1, n.2, and adv." OED Online. Oxford University Press, September 2021. Web. 30 November 2021.

"OK, adj., int.1, n.2, and adv." OED Online, Oxford University Press, September 2021, www.oed.com/viewdictionaryentry/Entry/130925;jsessionid=7C8CD6424E2B7290C2E34E17009D1717. Accessed 30 November 2021.

"OK, adj., int.1, n.2, and adv.". OED Online. September 2021. Oxford University Press. https://www.oed.com/viewdictionaryentry/Entry/130925;jsessionid=7C8CD6424E2B7290C2E34E17009D1717 (accessed November 30, 2021).