in/with reference to
in reference to
Regarding; having to do with; in connection with. We received an anonymous tip in reference to the ongoing investigation. In reference to my opponent's remarks, let me state for the record that I have always condemned hate speech in all forms.
in reference to someone or somethingand 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?
with reference to
Also, with regard or respect to . See in regard to.