"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=3E2F74F59A7F97CAF34884DECB1371CF. 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=3E2F74F59A7F97CAF34884DECB1371CF (accessed November 28, 2021).