in/with reference to

in reference to someone or something

 and with reference to someone or something concerning or about someone or something;
in connection with someone or something. What shall we do in reference to Bill and his problem? With reference to what problem?
See also: reference, to
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

with reference to

Also, with regard or respect to . See in regard to.
See also: reference, to
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

in/with ˈreference to

(formal or written) used to say what you are talking or writing about: With reference to your letter of July 22...
See also: reference, to
Farlex Partner Idioms Dictionary © Farlex 2017
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