"OK, adj., int.1, n.2, and adv." OED Online. Oxford University Press, September 2021. Web. 28 November 2021.

"OK, adj., int.1, n.2, and adv." OED Online, Oxford University Press, September 2021, www.oed.com/viewdictionaryentry/Entry/130925;jsessionid=68E64B86C4CB8D86B65B34F80ABCDA01. Accessed 28 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=68E64B86C4CB8D86B65B34F80ABCDA01 (accessed November 28, 2021).