(first mention)
‘Hierarchy’, in The Oxford English Dictionary, ed. by J. A. Simpson and E. S. C. Weiner, 2nd edn (Oxford: Oxford University Press, 1989), p. 212.
(subsequent mentions)
Simpson and Weiner, ‘Hierarchy’, p. 213.
‘Hierarchy’, in The Oxford English Dictionary [online], <https://www.oed.com/view/Entry/86792?redirectedFrom=hierarchy#eid> [accessed 13 March 2024].
‘Hierarchy’, in The Oxford English Dictionary, ed. by J. A. Simpson and E. S. C. Weiner, 2nd edn (Oxford: Oxford University Press, 1989), p. 212
‘Hierarchy’, in The Oxford English Dictionary [online], <https://www.oed.com/view/Entry/86792?redirectedFrom=hierarchy#eid-proxy.swan.ac.uk/view/Entry/86792> [accessed 13 March 2024]