"OK, adj., int.1, n.2, and adv." OED Online. Oxford University Press, September 2021. Web. 29 November 2021.

"OK, adj., int.1, n.2, and adv." OED Online, Oxford University Press, September 2021, www.oed.com/viewdictionaryentry/Entry/130925;jsessionid=9BDA9905B5F80B0F463CC529126BF927. Accessed 29 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=9BDA9905B5F80B0F463CC529126BF927 (accessed November 29, 2021).