"OK, adj., int.1, n.2, and adv." OED Online. Oxford University Press, December 2021. Web. 8 December 2021.

"OK, adj., int.1, n.2, and adv." OED Online, Oxford University Press, December 2021, www.oed.com/viewdictionaryentry/Entry/130925;jsessionid=6BC6B10B29E59C94A4F8704002737A36. Accessed 8 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=6BC6B10B29E59C94A4F8704002737A36 (accessed December 08, 2021).