01.15 av
As regards operation(s)

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APA Style:

01.15 (av) As regards operation(s). 2017. In The Historical Thesaurus of English, version 4.2. Glasgow: University of Glasgow. Retrieved 27 May 2017, from http://historicalthesaurus.arts.gla.ac.uk/category/?id=77935.

MLA Style:

"01.15 (av) As regards operation(s)." The Historical Thesaurus of English, version 4.2. Glasgow: University of Glasgow, 2017. Web. 27 May 2017. http://historicalthesaurus.arts.gla.ac.uk/category/?id=77935.

Chicago Style:

The Historical Thesaurus of English, version 4.2, s.v., "01.15 (av) As regards operation(s)," accessed 27 May 2017, http://historicalthesaurus.arts.gla.ac.uk/category/?id=77935.

If your style guide prefers a single bibliography entry for this resource, we recommend:

The Historical Thesaurus of English, version 4.2. 2017. Glasgow: University of Glasgow. http://historicalthesaurus.arts.gla.ac.uk.

There is 1 word at this level:

operationally 1927– OED

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