"OK, adj., int.1, n.2, and adv." OED Online. Oxford University Press, December 2021. Web. 6 December 2021.

"OK, adj., int.1, n.2, and adv." OED Online, Oxford University Press, December 2021, www.oed.com/viewdictionaryentry/Entry/130925;jsessionid=02E1086A6C7F9B9B533E6E00197FE318. Accessed 6 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=02E1086A6C7F9B9B533E6E00197FE318 (accessed December 06, 2021).