"happiness, n." OED Online. Oxford University Press, September 2020. Web. 26 October 2020.

"happiness, n." OED Online, Oxford University Press, September 2020, www.oed.com/viewdictionaryentry/Entry/84070. Accessed 26 October 2020.

"happiness, n.". OED Online. September 2020. Oxford University Press. https://www.oed.com/viewdictionaryentry/Entry/84070 (accessed October 26, 2020).