"OK, adj., int.1, n.2, and adv." OED Online. Oxford University Press, December 2021. Web. 5 December 2021.

"OK, adj., int.1, n.2, and adv." OED Online, Oxford University Press, December 2021, www.oed.com/viewdictionaryentry/Entry/130925;jsessionid=0AC32C56B9D52DB9E9516DBC1B501ECC. Accessed 5 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=0AC32C56B9D52DB9E9516DBC1B501ECC (accessed December 05, 2021).